Common use of Testing Requirements Clause in Contracts

Testing Requirements. 27.6.1 At least 90 days prior to either Party sending a mechanized CABS bill for the first time via electronic transmission, or tape; or at least 30 days prior to either party changing to a new CABS version; or at least 30 days prior to either party changing bill mediums (e.g., from paper to electronic), the billing Party will send bill data in the mechanized format according to this Attachment, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this Attachment. SBC ILLINOIS shall also provide to CLEC’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC ILLINOIS within the time period agreed to by the Parties if the billing test file fails to meet CABS/BOS specifications. SBC ILLINOIS shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets CABS/BOS specifications. SBC ILLINOIS shall not send CLEC a mechanized CABS bill for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file meets testing specifications. If the billing test file fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill for the first time via electronic transmission or tape. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill Date, or within ten (10) days, whichever is later.

Testing Requirements. 27.6.1 At least 90 days prior to either Party sending a mechanized CABS bill for the first time via electronic transmission, or tape; or at least 30 days prior to either party changing to a new CABS version; or at least 30 days prior to either party changing bill mediums (e.g., from paper to electronic), the billing Party will send bill data in the mechanized format according to this Attachment, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this Attachment. SBC AT&T ILLINOIS shall also provide to CLEC’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC AT&T ILLINOIS within the time period agreed to by the Parties if the billing test file fails to meet CABS/BOS specifications. SBC AT&T ILLINOIS shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets CABS/BOS specifications. SBC AT&T ILLINOIS shall not send CLEC a mechanized CABS bill for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file meets testing specifications. If the billing test file fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill for the first time via electronic transmission or tape. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill Date, or within ten (10) days, whichever is later.

Testing Requirements. 27.6.1 At least 90 ninety (90) days prior to either Party sending a mechanized CABS bill ▇▇▇▇ for the first time via electronic transmission, or tape; or at least 30 thirty (30) days prior to either party Party changing to a new CABS versionmechanized formats; or at least 30 ninety (90) days prior to either party Party changing bill transmission mediums (e.g., from paper to electronicmechanized), the billing Party will send bill ▇▇▇▇ data in the mechanized format according to this AttachmentArticle, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this AttachmentArticle. SBC ILLINOIS SBC- AMERITECH shall also provide to CLEC’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC ILLINOIS SBC-AMERITECH within the time period agreed to by the Parties if the billing test file transmission testing fails to meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets transmissions testing meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall not send CLEC a mechanized CABS bill ▇▇▇▇ for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file transmission meets testing specifications. If the billing test file transmission fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill ▇▇▇▇ for the first time via electronic transmission or tapetransmission. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill ▇▇▇▇ Date, or within ten (10) days, whichever is later. 27.6.3 For Resale services, during the testing period, SBC-AMERITECH shall transmit to CLEC Connectivity Billing data and information via paper transmission. Test tapes shall be sent to CLEC at the following location: VarTec Telecom, Inc. ▇▇▇▇▇▇▇ ▇▇▇▇▇, Vice President – External Legal Affairs ▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇ Test Tapes:

Testing Requirements. 27.6.1 At least 90 days prior to either Party sending a mechanized CABS bill for the first time via electronic transmission, or tape; or at least 30 days prior to either party changing to a new CABS version; or at least 30 days prior to either party changing bill mediums (e.g., from paper to electronic), the billing Party will send bill data in the mechanized format according to this Attachment, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this Attachment. SBC ILLINOIS shall also provide to CLECTCG’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLECTCG's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC TCG will notify SBC ILLINOIS within the time period agreed to by the Parties if the billing test file fails to meet CABS/BOS specifications. SBC ILLINOIS shall make the necessary corrections within the time period agreed to with CLEC TCG to ensure that the billing test file meets CABS/BOS specifications. SBC ILLINOIS shall not send CLEC TCG a mechanized CABS bill for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file meets testing specifications. If the billing test file fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill for the first time via electronic transmission or tape. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill Date, or within ten (10) days, whichever is later.

Testing Requirements. 27.6.1 6.1 At least 90 days prior to either Party sending a mechanized CABS bill for the first time via electronic transmission, or tape; or at least 30 days prior to either party changing to a new CABS version; or at least 30 days prior to either party changing bill mediums (e.g., from paper to electronic), the billing Party will send bill data in the mechanized format according to this Attachment, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this Attachment. SBC ILLINOIS MISSOURI shall also provide to CLECAT&T’s Company Managercompany manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLECAT&T's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC AT&T will notify SBC ILLINOIS MISSOURI within the time period agreed to by the Parties if the billing test file fails to meet CABS/BOS specifications. SBC ILLINOIS MISSOURI shall make the necessary corrections within the time period agreed to with CLEC AT&T to ensure that the billing test file meets CABS/BOS specifications. SBC ILLINOIS MISSOURI shall not send CLEC AT&T a mechanized CABS bill for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file meets testing specifications. If the billing test file fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least Up to three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill for the first time via electronic transmission or tape. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill Date, or within ten (10) days, whichever is later.

Testing Requirements. 27.6.1 At least 90 ninety (90) days prior to either Party sending a mechanized CABS bill ▇▇▇▇ for the first time via electronic transmission, or tape; or at least 30 thirty (30) days prior to either party Party changing to a new CABS versionmechanized formats; or at least 30 ninety (90) days prior to either party Party changing bill transmission mediums (e.g., from paper to electronicmechanized), the billing Party will send bill ▇▇▇▇ data in the mechanized format according to this AttachmentArticle, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this AttachmentArticle. SBC ILLINOIS SBC- AMERITECH shall also provide to CLEC’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC ILLINOIS SBC-AMERITECH within the time period agreed to by the Parties if the billing test file transmission testing fails to meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets transmissions testing meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall not send CLEC a mechanized CABS bill ▇▇▇▇ for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file transmission meets testing specifications. If the billing test file transmission fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill ▇▇▇▇ for the first time via electronic transmission or tapetransmission. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill ▇▇▇▇ Date, or within ten (10) days, whichever is later. 27.6.3 For Resale services, during the testing period, SBC-AMERITECH shall transmit to CLEC Connectivity Billing data and information via paper transmission. Test tapes shall be sent to CLEC at the following location: ▇▇▇▇ ▇▇▇▇▇ President ▇▇▇ ▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇-▇▇▇▇ Test Tapes:

Testing Requirements. 27.6.1 At least 90 ninety (90) days prior to either Party sending a mechanized CABS bill ▇▇▇▇ for the first time via electronic transmission, or tape; or at least 30 thirty (30) days prior to either party Party changing to a new CABS versionmechanized formats; or at least 30 ninety (90) days prior to either party Party changing bill transmission mediums (e.g., from paper to electronicmechanized), the billing Party will send bill ▇▇▇▇ data in the mechanized format according to this AttachmentArticle, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this AttachmentArticle. SBC ILLINOIS SBC- AMERITECH shall also provide to CLEC’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC ILLINOIS SBC-AMERITECH within the time period agreed to by the Parties if the billing test file transmission testing fails to meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets transmissions testing meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall not send CLEC a mechanized CABS bill ▇▇▇▇ for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file transmission meets testing specifications. If the billing test file transmission fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill ▇▇▇▇ for the first time via electronic transmission or tapetransmission. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill ▇▇▇▇ Date, or within ten (10) days, whichever is later. 27.6.3 For Resale services, during the testing period, SBC-AMERITECH shall transmit to CLEC Connectivity Billing data and information via paper transmission. Test tapes shall be sent to CLEC at the following location: ICG Telecom Group, Inc. General Counsel ▇▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇ Test Tapes:

Testing Requirements. 27.6.1 At least 90 ninety (90) days prior to either Party sending a mechanized CABS bill ▇▇▇▇ for the first time via electronic transmission, or tape; or at least 30 thirty (30) days prior to either party Party changing to a new CABS versionmechanized formats; or at least 30 ninety (90) days prior to either party Party changing bill transmission mediums (e.g., from paper to electronicmechanized), the billing Party will send bill ▇▇▇▇ data in the mechanized format according to this AttachmentArticle, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this AttachmentArticle. SBC ILLINOIS SBC-AMERITECH shall also provide to CLEC’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC ILLINOIS SBC-AMERITECH within the time period agreed to by the Parties if the billing test file transmission testing fails to meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets transmissions testing meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall not send CLEC a mechanized CABS bill ▇▇▇▇ for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file transmission meets testing specifications. If the billing test file transmission fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill ▇▇▇▇ for the first time via electronic transmission or tapetransmission. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill ▇▇▇▇ Date, or within ten (10) days, whichever is later. 27.6.3 For Resale services, during the testing period, SBC-AMERITECH shall transmit to CLEC Connectivity Billing data and information via paper transmission. Test tapes shall be sent to CLEC at the following location: KMC Telecom III, LLC ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇ ▇. ▇▇▇▇▇ Road Lawrenceville, GA 30043 Test Tapes:

Testing Requirements. 27.6.1 At least 90 ninety (90) days prior to either Party sending a mechanized CABS bill ▇▇▇▇ for the first time via electronic transmission, or tape; or at least 30 thirty (30) days prior to either party Party changing to a new CABS versionmechanized formats; or at least 30 ninety (90) days prior to either party Party changing bill transmission mediums (e.g., from paper to electronicmechanized), the billing Party will send bill ▇▇▇▇ data in the mechanized format according to this AttachmentArticle, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this AttachmentArticle. SBC ILLINOIS SBC- AMERITECH shall also provide to CLEC’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC ILLINOIS SBC-AMERITECH within the time period agreed to by the Parties if the billing test file transmission testing fails to meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets transmissions testing meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall not send CLEC a mechanized CABS bill ▇▇▇▇ for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file transmission meets testing specifications. If the billing test file transmission fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill ▇▇▇▇ for the first time via electronic transmission or tapetransmission. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill ▇▇▇▇ Date, or within ten (10) days, whichever is later. 27.6.3 For Resale services, during the testing period, SBC-AMERITECH shall transmit to CLEC Connectivity Billing data and information via paper transmission. Test tapes shall be sent to CLEC at the following location: Excel Telecommunications, Inc. ▇▇▇▇▇▇ ▇▇▇▇, Director-Carrier Relations ▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇ Test Tapes:

Testing Requirements. 27.6.1 At least 90 ninety (90) days prior to either Party sending a mechanized CABS bill ▇▇▇▇ for the first time via electronic transmission, or tape; or at least 30 thirty (30) days prior to either party Party changing to a new CABS versionmechanized formats; or at least 30 ninety (90) days prior to either party Party changing bill transmission mediums (e.g., from paper to electronicmechanized), the billing Party will send bill ▇▇▇▇ data in the mechanized format according to this AttachmentArticle, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this AttachmentArticle. SBC ILLINOIS shall also provide to CLEC’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC ILLINOIS within the time period agreed to by the Parties if the billing test file transmission testing fails to meet CABS/BOS specifications. SBC ILLINOIS shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets transmissions testing meet CABS/BOS specifications. SBC ILLINOIS shall not send CLEC a mechanized CABS bill ▇▇▇▇ for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file transmission meets testing specifications. If the billing test file transmission fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill ▇▇▇▇ for the first time via electronic transmission or tapetransmission. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill ▇▇▇▇ Date, or within ten (10) days, whichever is later. 27.6.3 For Resale services, during the testing period, SBC shall transmit to CLEC Connectivity Billing data and information via paper transmission. Test tapes shall be sent to CLEC at the following location: ▇▇▇▇ ▇▇▇▇▇▇▇, President TelNet Worldwide, Inc. ▇▇▇▇ ▇▇▇▇▇▇▇▇ Trop, MI 48083 Test Tapes:

Testing Requirements. 27.6.1 At least 90 ninety (90) days prior to either Party sending a mechanized CABS bill for the first time via electronic transmission, or tape; or at least 30 thirty (30) days prior to either party Party changing to a new CABS versionmechanized formats; or at least 30 ninety (90) days prior to either party Party changing bill transmission mediums (e.g., from paper to electronicmechanized), the billing Party will send bill data in the mechanized format according to this AttachmentArticle, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this AttachmentArticle. SBC ILLINOIS SBC-AMERITECH shall also provide to CLEC’s Company Manager, Manager located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇. ▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC ILLINOIS SBC-AMERITECH within the time period agreed to by the Parties if the billing test file transmission testing fails to meet CABS/BOS specifications. SBC ILLINOIS SBC- AMERITECH shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets transmissions testing meet CABS/BOS specifications. SBC ILLINOIS SBC- AMERITECH shall not send CLEC a mechanized CABS bill for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file transmission meets testing specifications. If the billing test file transmission fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill for the first time via electronic transmission or tapetransmission. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill Date, or within ten (10) days, whichever is later. 27.6.3 For Resale services, during the testing period, SBC-AMERITECH shall transmit to CLEC Connectivity Billing data and information via paper transmission. Test tapes shall be sent to CLEC at the following location: Charter Fiberlink-Illinois, LLC ▇▇▇▇ ▇▇▇▇▇/Manager Carrier Relations ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇ St. Louis, MO 63131 Test Tapes:

Testing Requirements. 27.6.1 At least 90 ninety (90) days prior to either Party sending a mechanized CABS bill ▇▇▇▇ for the first time via electronic transmission, or tape; or at least 30 thirty (30) days prior to either party Party changing to a new CABS versionmechanized formats; or at least 30 ninety (90) days prior to either party Party changing bill transmission mediums (e.g., from paper to electronicmechanized), the billing Party will send bill ▇▇▇▇ data in the mechanized format according to this AttachmentArticle, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this AttachmentArticle. SBC ILLINOIS SBC- AMERITECH shall also provide to CLEC’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC ILLINOIS SBC-AMERITECH within the time period agreed to by the Parties if the billing test file transmission testing fails to meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets transmissions testing meet CABS/BOS specifications. SBC ILLINOIS shall SBC-AMERITECH sha ll not send CLEC a mechanized CABS bill ▇▇▇▇ for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file trans mission meets testing specifications. If the billing test file transmission fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill ▇▇▇▇ for the first time via electronic transmission or tapetransmission. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill ▇▇▇▇ Date, or within ten (10) days, whichever is later. 27.6.3 For Resale services, during the testing period, SBC-AMERITECH shall transmit to CLEC Connectivity Billing data and information via paper transmission. Test tapes shall be sent to CLEC at the following location: ICG Telecom Group, Inc. General Counsel ▇▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇ Test Tapes:

Testing Requirements. 27.6.1 At least 90 ninety (90) days prior to either Party sending a mechanized CABS bill ▇▇▇▇ for the first time via electronic transmission, or tape; or at least 30 thirty (30) days prior to either party Party changing to a new CABS versionmechanized formats; or at least 30 ninety (90) days prior to either party Party changing bill transmission mediums (e.g., from paper to electronicmechanized), the billing Party will send bill ▇▇▇▇ data in the mechanized format according to this AttachmentArticle, for testing to ensure that the bills can be processed and that the bills comply with the requirements of this AttachmentArticle. SBC ILLINOIS SBC-AMERITECH shall also provide to CLEC’s Company Manager, located at ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇▇, the LEC's originating or state level company code so that it may be added to CLEC's internal tables at least thirty (30) calendar days prior to testing or a change in the LEC’s originating or state level company code. CLEC will notify SBC ILLINOIS SBC-AMERITECH within the time period agreed to by the Parties if the billing test file transmission testing fails to meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall make the necessary corrections within the time period agreed to with CLEC to ensure that the billing test file meets transmissions testing meet CABS/BOS specifications. SBC ILLINOIS SBC-AMERITECH shall not send CLEC a mechanized CABS bill ▇▇▇▇ for Network Elements (except for testing) until such bills meet CABS/BOS specifications. 27.6.2 After receipt of the test data the Party receiving the data will notify the Party sending the data if the billing test file transmission meets testing specifications. If the billing test file transmission fails to meet the agreed testing specifications, the Party sending the data will make the necessary corrections. At least three (3) sets of testing data must meet the mutually agreed testing specifications prior to either Party sending a mechanized production bill ▇▇▇▇ for the first time via electronic transmission or tapetransmission. Thereafter, the billing Party may begin sending the billed Party mechanized production bills on the next Bill ▇▇▇▇ Date, or within ten (10) days, whichever is later. 27.6.3 For Resale services, during the testing period, SBC-AMERITECH shall transmit to CLEC Connectivity Billing data and information via paper transmission. Test tapes shall be sent to CLEC at the following location: Sage Telecom Inc ▇▇▇▇ ▇▇▇▇▇▇▇, VP, CTO ▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇ ▇▇▇▇▇, ▇▇ ▇▇▇▇▇-▇▇▇▇ Test Tapes: