Common use of Remuneration and terms of payment Clause in Contracts

Remuneration and terms of payment. 7.1 CORPORATION shall pay to CONTRACTOR for the services, to be provided by the CONTRACTOR as per the Scope of Work (Annexure-III), as per the price Schedule. The rates payable, shall be firm during the entire CONTRACT period, including extension period, if any. 7.2 All Bills along with relevant supporting documents shall be submitted in triplicate addressed to the General Manager(F&A) 7.3 Invoices with original supporting documents duly countersigned by the CORPORATION’s representative/ engineer wherever applicable will be submitted monthly (periodicity) by the CONTRACTOR to CORPORATION and payment shall be made within 10 calendar days from the date of receipt of invoice at the above office. Invoices alongwith supporting documents can be submitted/uploaded through VIMS Portal (▇▇▇▇▇://▇▇▇▇.▇▇▇▇.▇▇.▇▇/), which is the preferred mode of submission of Invoice. Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be uploaded in VIMS Portal by logging-in with the help of Vendor Code. However, in case supplier/contractor is not able to submit/upload the Invoice through VIMS portal as mentioned above, Invoice alongwith supporting documents can also be submitted/uploaded in the following way:- 1. EMAIL channel: Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be submitted by sending these documents to a designated email-id: ap_invoices[at]ongc[dot]co[dot]in. 2. Deleted Ten (10) digit PO or Contract number should be clearly mentioned in the invoice. For submitting the invoices through VIMS Portal and Email channel, following must be ensured: i) Invoices should be system generated and no hand written invoices shall be allowed. ii) Invoice should be e-invoice in terms of GST Law or the digitally signed invoice only. iii) Invoices need to be scanned at a minimum of 300 dpi, preferably in color. iv) Invoices should be in PDF format only. v) For invoices, file name should be kept as "INVxxxxxxx.pdf" (INV must be prefixed for correct categorization of invoice and differentiation from supporting document). vi) A regular format must be maintained in which invoices are being submitted in ONGC. vii) Invoices should be digitally signed with Class - II /III Digital Certificate issued by any licensed CAs. viii) In case, Email channel is being followed, separate mail should be sent for each invoice. 7.6 ONGC's right to question the amounts claimed

Remuneration and terms of payment. 7.1 46.1 Terms of Payment: a) No advance payment and mobilization/demobilization charges at any stage and any time will be made to the contractor. b) 100% payment will be made after successful Revamping/Refurbishing of Nitrogen generating PSA System. 46.2 CORPORATION shall pay to CONTRACTOR for the services, to be provided by the CONTRACTOR as per the Scope of Work (Annexure-III), and as per the price Scheduleawarded actual break- up of Lumpsum price. The rates payable, payable shall be firm during the entire CONTRACT period, including extension period, if any. 7.2 All Bills 46.3 Invoices along with relevant supporting documents shall be submitted in triplicate addressed to the General Manager(F&A) 7.3 Invoices with original supporting documents duly countersigned by the CORPORATION’s representative/ engineer wherever applicable will be submitted monthly (periodicity) by the CONTRACTOR to CORPORATION and payment shall be made within 10 calendar days from the date of receipt of invoice at the above office. Invoices alongwith supporting documents can be submitted/uploaded through VIMS Portal (▇▇▇▇▇://▇▇▇▇.▇▇▇▇.▇▇.▇▇/), which is the preferred mode of submission of Invoice. Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be uploaded in VIMS Portal by logging-in with the help of Vendor Code. However, in case supplier/contractor is not able to submit/upload the Invoice through VIMS portal as mentioned above, Invoice alongwith along with supporting documents can also be submitted/uploaded in the following way:-way: 1. EMAIL channel: Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be submitted by sending these documents to a designated email-id: ap_invoices[at]ongc[dot]co[dot]in. 2. Deleted Ten (10) digit PO or Contract number should be clearly mentioned in the invoice. For submitting the invoices through VIMS Portal and Email channel, following must be ensured: i) Invoices should be system generated and no hand written invoices shall be allowed. ii) Invoice should be e-invoice in terms of GST Law or the digitally signed invoice only. iii) Invoices need to be scanned at a minimum of 300 dpi, preferably in color. iv) Invoices should be in PDF format only. v) For invoices, file name should be kept as "INVxxxxxxx.pdf" (INV must be prefixed for correct categorization of invoice and differentiation from supporting document). vi) A regular format must be maintained in which invoices are being submitted in ONGC. vii) Invoices should be digitally signed with Class - II /III Digital Certificate issued by any licensed CAs. viii) In case, Email channel is being followed, separate mail should be sent for each invoice. ANY INVOICE NOT FOLLOWING THE ABOVE MENTIONED GUIDELINES SHALL STAND TO BE REJECTED & RETURNED TO THE VENDOR. 7.6 ONGC's right 46.4 Invoices with original supporting documents duly countersigned by the CORPORATION’s representative/ Engineer-in-Charge wherever applicable will be submitted as per periodicity indicated elsewhere by the CONTRACTOR to question CORPORATION and payment shall be made within 21 calendar days from the amounts claimeddate of receipt of certified invoice, subject to submission of all required documents in order as indicated below. The original invoice should also accompany the following documents/details: [Note- 1. Presently w.e.f 01/08/2023, E-invoice is mandatory for all vendors whose aggregate turnover exceeds Rs. 5 Crore in any preceding Financial Year 2017-18 onwards. Any invoice other than E-invoice where issuance of E- invoice is mandatory, shall be treated as invalid invoice under GST Law. To ascertain the applicability of issuance of E-invoice by a taxpayer, the Govt. has enabled facility at ▇▇▇▇▇://▇▇▇▇▇▇▇▇ ▇.▇▇▇.▇▇▇.▇▇ under search >> e-invoice status of taxpayer.

Remuneration and terms of payment. 7.1 1. CORPORATION shall pay to CONTRACTOR for the services, to be provided by the CONTRACTOR as per the Scope of Work (Annexure-III), & as per the price SchedulePrice Format. The rates payable, shall be firm during the entire CONTRACT period, including extension period, if any. 7.2 All Bills along with relevant supporting documents shall be submitted in triplicate addressed to the General Manager(F&A) 7.3 2. Invoices with original supporting documents (work completion certificate and maintenance reports) duly countersigned by the CORPORATION’s representative/ engineer wherever applicable will be submitted monthly (periodicity) Monthly by the CONTRACTOR to CORPORATION and payment shall be made within 10 15 calendar days from the date of receipt of invoice at the above office. 3. Necessary recoveries and all statutory deductions shall be made as per the relevant rates (as per LD clauses) from the payments to the contractor. 4. Vendor is required to clearly indicate applicable taxes and registration no. in invoice. Any delay in payment due to lack of clarity in taxation or registration number, this office will not be responsible for any delay. 5. ONGC will deduct tax at the rate as applicable from time to time at source and/or any other levy imposed by the Central/State Government from time to time from the bill. 6. Invoices alongwith along with supporting documents can be submitted/uploaded through VIMS Portal (▇▇▇▇▇://▇▇▇▇.▇▇▇▇.▇▇.▇▇/), which is the preferred mode of submission of Invoice. Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be uploaded in VIMS Portal by logging-in with the help of Vendor Code. However, in case supplier/contractor is not able to submit/upload the Invoice through VIMS portal as mentioned above, Invoice alongwith along with supporting documents can also be submitted/uploaded in the following way:- 1. EMAIL channel: Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be submitted by sending these documents to a designated email-id: ap_invoices[at]ongc[dot]co[dot]in. 2. Deleted Physical Invoice: Physical invoices (wherever allowed) would be accepted through courier/ post at the following address only: Oil and Natural Gas Corporation Limited (ONGC), ▇-▇▇, ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇, IBM Tower, Rani Ramgarh Road, Block-A, Industrial Area, Sector 62, NOIDA, Uttar Pradesh – 201309 Ten (10) digit PO or Contract number should be clearly mentioned in the invoice. For submitting the invoices through VIMS Portal and Email channel, following must be ensured: i) Invoices should be system generated and no hand written invoices shall be allowed. ii) Invoice should be e-invoice in terms of GST Law or the digitally signed invoice only. iii) Invoices need to be scanned at a minimum of 300 dpi, preferably in color. iv) Invoices should be in PDF format only. v) For invoices, file name should be kept as "INVxxxxxxx.pdf" (INV must be prefixed for correct categorization of invoice and differentiation from supporting document). vi) A regular format must be maintained in which invoices are being submitted in ONGC. vii) Invoices should be digitally signed with Class - II /III Digital Certificate issued by any licensed CAs. viii) In case, Email channel is being followed, separate mail should be sent for each invoice. Note: Invoices submitted for payment should be e-invoice in terms of GST Law or the digitally signed invoice only. No physical invoice shall be accepted for payment. 7.6 ONGC's right to question 7. The original invoice should also accompany the amounts claimedfollowing documents/details: 1) Along with first invoice issued under GST Law: Following documents / details should be invariably furnished along with the first invoice issued under GST law indicating the GST Registration of service provider: a) Insurance policies (As applicable). b) Certificate of Acceptance of Successful Completion of Mobilization as per requirement of the contract. c) Details of statutory payments like EPF and ESI etc., (As applicable). d) Undertaking by the contractor regarding compliance of all statutes. 2) Periodical / Monthly payment:

Remuneration and terms of payment. 7.1 CORPORATION shall pay to CONTRACTOR for the services, to be provided by the CONTRACTOR as per the Scope of Work (Annexure-III), as per the price Schedule. Schedule at Annexure- V The rates payable, shall be firm during the entire CONTRACT period, including extension period, if any. 7.1.1 Periodical Payment on pro rata basis shall be made after satisfactory completion of Environment Monitoring each work done under each cycle of work as per the Scope of Work and submission of final reports acceptable to office of Head HSE, ONGC, Tripura Asset, Agartala. 7.1.2 Payment will be made on pro rata basis on the basis of actual number of samples tested and acceptance of the final report by the office of Head HSE, ONGC, Tripura Asset, Agartala under each cycle of work. 7.1.3 No advance payment shall be made. 7.1.4 100% payment will be made against satisfactory completion of complete Scope of Work (i.e. with issue of the job completion certificate). 7.1.5 CONTRACTOR shall raise invoices for work completed and the same shall be payable by ONGC on pro rata basis at the rate specified in the Price Format mentioned in Annexure-V. 7.2 All Bills along Invoices with relevant supporting documents shall be submitted in triplicate addressed to the General Manager(F&A) 7.3 Invoices with original supporting documents duly countersigned by the CORPORATION’s representative/ engineer wherever applicable will be submitted monthly (periodicity) by the CONTRACTOR to CORPORATION on VIMS portal as brought out below and payment shall be made within 10 calendar days from the date of receipt of invoice at the above office. completed in all respect in VIMS portal. 7.2.1 Invoices alongwith supporting documents can duly countersigned by the CORPORATION’s (ONGC) representative/ engineer wherever applicable, as required under the CONTRACT to the satisfaction of the office of Head HSE, ONGC, Tripura Asset, Agartala shall be submitted/submitted / uploaded through VIMS Portal (▇▇▇▇▇://▇▇▇▇.▇▇▇▇.▇▇.▇▇/)) by the CONTRACTOR on quarterly/six-monthly basis, as per applicable cycle of work, which is the preferred mode of submission of Invoice. Invoice (PDF digitally signed with class II/ III signature) and supporting documents can shall be uploaded in VIMS Portal by logging-in with the help of Vendor Code. . 7.2.2 However, in case supplier/contractor is not able to submit/upload the Invoice through VIMS portal as mentioned above, Invoice alongwith supporting documents can also be submitted/uploaded in the following way:- 1. way: EMAIL channel: Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be submitted by sending these documents to a designated email-id: ap_invoices[at]ongc[dot]co[dot]in▇▇_▇▇▇▇▇▇▇▇@▇▇▇▇.▇▇.▇▇ 2. Deleted 7.2.3 Ten (10) digit Digit PO or Contract number should be clearly mentioned in the invoice. For submitting the invoices through VIMS Portal and Email channel, following must be ensured: i) Invoices should be system generated and no hand written invoices shall be allowed. ii) Invoice should be e-invoice in terms of GST Law or the digitally signed invoice only. iii) Invoices need to be scanned at a minimum of 300 dpi, preferably in color. iv) Invoices should be in PDF format only. v) For invoices, file name should be kept as "INVxxxxxxx.pdf" (INV must be prefixed for correct categorization of invoice and differentiation from supporting document). vi) A regular format must be maintained in which invoices are being submitted in ONGC. vii) Invoices should be digitally signed with Class - II /III Digital Certificate issued by any licensed CAs. viii) In case, Email channel is being followed, separate mail should be sent for each invoice. 7.6 ONGC's right to question 7.3 The original invoice should also accompany the amounts claimedfollowing documents / details:

Remuneration and terms of payment. 7.1 CORPORATION shall pay to CONTRACTOR for the services, to be provided by the CONTRACTOR as per the Scope of Work (Annexure-III), as per the price Schedule. Schedule at Annexure-….. The rates payable, shall be firm during the entire CONTRACT period, including extension period, if any. 7.2 All Bills along with relevant supporting documents shall be submitted in triplicate addressed to the General Manager(F&AManager( )…….. 7.3 Invoices with original supporting documents duly countersigned by the CORPORATION’s representative/ engineer wherever applicable will be submitted monthly (……( indicate the periodicity) by the CONTRACTOR to CORPORATION and payment shall be made within 10 calendar days from the date of receipt of invoice at the above office. Invoices alongwith supporting documents can be submitted/uploaded through VIMS Portal (▇▇▇▇▇://▇▇▇▇.▇▇▇▇.▇▇.▇▇/), which is the preferred mode of submission of Invoice. Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be uploaded in VIMS Portal by logging-in with the help of Vendor Code. However, in case supplier/contractor is not able to submit/upload the Invoice through VIMS portal as mentioned above, Invoice alongwith supporting documents can also be submitted/uploaded in the following way:- 1. EMAIL channel: Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be submitted by sending these documents to a designated email-id: ap_invoices[at]ongc[dot]co[dot]in. 2. Deleted Ten (10) digit PO or Contract number should be clearly mentioned in the invoice. For submitting the invoices through VIMS Portal and Email channel, following must be ensured: i) Invoices should be system generated and no hand written invoices shall be allowed. ii) Invoice should be e-invoice in terms of GST Law or the digitally signed invoice only. iii) Invoices need to be scanned at a minimum of 300 dpi, preferably in color. iv) Invoices should be in PDF format only. v) For invoices, file name should be kept as "INVxxxxxxx.pdf" (INV must be prefixed for correct categorization of invoice and differentiation from supporting document). vi) A regular format must be maintained in which invoices are being submitted in ONGC. vii) Invoices should be digitally signed with Class - II /III Digital Certificate issued by any licensed CAs. viii) In case, Email channel is being followed, separate mail should be sent for each invoice. 7.6 ONGC's right to question 1) Along with first invoice issued under GST Law: Following documents / details should be invariably furnished alongwith the amounts claimedfirst invoice issued under GST law indicating the GST Registration of service provider: a) deleted- b) deleted- c) deleted- d) deleted- e) Insurance policies (As applicable).

Remuneration and terms of payment. 7.1 CORPORATION shall pay to CONTRACTOR for the services, to be provided by the CONTRACTOR as per the Scope of Work (Annexure-III), as per the price Schedule. The rates payable, shall be firm during the entire CONTRACT period, including extension period, if any. 7.2 All Bills along with relevant supporting documents shall be submitted in triplicate addressed to the Gr. General Manager(F&A)Manager, Surface Manager, ONGC, EOA & HPHT Asset, Andhra Pradesh. 7.3 Invoices with original supporting documents duly countersigned by the CORPORATION’s representative/ engineer wherever applicable will be submitted monthly (periodicity) every month for services rendered during that month by the CONTRACTOR to CORPORATION and payment shall be made within 10 calendar days from the date of receipt of invoice at the above office. Invoices alongwith along with supporting documents can be submitted/uploaded through VIMS Portal (▇▇▇▇▇://▇▇▇▇.▇▇▇▇.▇▇.▇▇/), which is the preferred mode of submission of Invoice. Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be uploaded in VIMS Portal by logging-logging- in with the help of Vendor Code. However, in case supplier/contractor is not able to submit/upload the Invoice through VIMS portal as mentioned above, Invoice alongwith supporting documents can also be submitted/uploaded in the following way:- 1. EMAIL channel: Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be submitted by sending these documents to a designated email-idemail- id: ap_invoices[at]ongc[dot]co[dot]in. 2. Deleted Ten (10) digit PO or Contract number should be clearly mentioned in the invoice. For submitting the invoices through VIMS Portal and Email channel, following must be ensured: i) Invoices should be system generated and no hand written invoices shall be allowed. ii) Invoice should be e-invoice in terms of GST Law or the digitally signed invoice only. iii) Invoices need to be scanned at a minimum of 300 dpi, preferably in color. iv) Invoices should be in PDF format only. v) For invoices, file name should be kept as "INVxxxxxxx.pdf" (INV must be prefixed for correct categorization of invoice and differentiation from supporting document). vi) A regular format must be maintained in which invoices are being submitted in ONGC. vii) Invoices should be digitally signed with Class - II /III Digital Certificate issued by any licensed CAs. viii) In case, Email channel is being followed, separate mail should be sent for each invoice. Note: Invoices submitted for payment should be e-invoice in terms of GST Law or the digitally signed invoice only. No physical invoice shall be accepted for payment. 7.6 1 Payment will be made on Quarterly Basis for the work performed during the period of contract. The quantity mentioned in the Scope of Work is indicative, which may increase or decrease; however payment will be made as per the actual services delivered. 2 After completion of job for a particular quarter, Contractor shall obtain Work Completion Certificate from the Installation Manager & I/C Fire services/ his Rep. 3 After satisfactory completion of work, 100% Payment will be made as per the terms and condition provision made in the GeM Contract from the date of submission of invoice in ONGC's right to question -VIMS portal. 4 The original invoice should also accompany the amounts claimedfollowing documents / details: 1) Along with the first invoice issued under GST law: a) Copy of valid GST registration certificate b) Particulars required for making payments through ‘Electronic Payment Mechanism’ c) Mobile No. (Optional) d) E-mail ID.

Remuneration and terms of payment. 7.1 46.1 No advance payment shall be made. Payment shall be released after satisfactory completion of all exchanger job as per scope of work. 46.2 CORPORATION shall pay to CONTRACTOR for the services, to be provided by the CONTRACTOR as per the Scope of Work (Annexure-III), and as per the price Scheduleawarded actual break-up of Lumpsum price. The rates payable, payable shall be firm during the entire CONTRACT period, including extension period, if any. 7.2 All Bills 46.3 Invoices along with relevant supporting documents shall be submitted in triplicate addressed to the General Manager(F&A) 7.3 Invoices with original supporting documents duly countersigned by the CORPORATION’s representative/ engineer wherever applicable will be submitted monthly (periodicity) by the CONTRACTOR to CORPORATION and payment shall be made within 10 calendar days from the date of receipt of invoice at the above office. Invoices alongwith supporting documents can be submitted/uploaded through VIMS Portal (▇▇▇▇▇://▇▇▇▇.▇▇▇▇.▇▇.▇▇/), which is the preferred mode of submission of Invoice. Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be uploaded in VIMS Portal by logging-in with the help of Vendor Code. However, in case supplier/contractor is not able to submit/upload the Invoice through VIMS portal as mentioned above, Invoice alongwith along with supporting documents can also be submitted/uploaded in the following way:-way: 1. EMAIL channel: Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be submitted by sending these documents to a designated email-id: ap_invoices[at]ongc[dot]co[dot]in. 2. Deleted Ten (10) digit PO or Contract number should be clearly mentioned in the invoice. For submitting the invoices through VIMS Portal and Email channel, following must be ensured: i) Invoices should be system generated and no hand written invoices shall be allowed. ii) Invoice should be e-invoice in terms of GST Law or the digitally signed invoice only. iii) Invoices need to be scanned at a minimum of 300 dpi, preferably in color. iv) Invoices should be in PDF format only. v) For invoices, file name should be kept as "INVxxxxxxx.pdf" (INV must be prefixed for correct categorization of invoice and differentiation from supporting document). vi) A regular format must be maintained in which invoices are being submitted in ONGC. vii) Invoices should be digitally signed with Class - II /III Digital Certificate issued by any licensed CAs. viii) In case, Email channel is being followed, separate mail should be sent for each invoice. ANY INVOICE NOT FOLLOWING THE ABOVE MENTIONED GUIDELINES SHALL STAND TO BE REJECTED & RETURNED TO THE VENDOR. 7.6 ONGC's right 46.4 Invoices with original supporting documents duly countersigned by the CORPORATION’s representative/ Engineer-in-Charge wherever applicable will be submitted as per periodicity indicated elsewhere by the CONTRACTOR to question CORPORATION and payment shall be made within 21 calendar days from the amounts claimeddate of receipt of certified invoice, subject to submission of all required documents in order as indicated below. The original invoice should also accompany the following documents/details: [Note- 1. Presently w.e.f 01/08/2023, E-invoice is mandatory for all vendors whose aggregate turnover exceeds Rs. 5 Crore in any preceding Financial Year 2017- 18 onwards. Any invoice other than E-invoice where issuance of E-invoice is mandatory, shall be treated as invalid invoice under GST Law. To ascertain the applicability of issuance of E-invoice by a taxpayer, the Govt. has enabled facility at ▇▇▇▇▇://▇▇▇▇▇▇▇▇ ▇.▇▇▇.▇▇▇.▇▇ under search >> e-invoice status of taxpayer.

Remuneration and terms of payment. 7.1 46.1 Terms of Payment: a) No advance payment shall be made. b) The vendor can raise an invoice for each line item of the LOA SOR only after the job for the respective tank is completed as per the SOW. 100 % payment shall be made for each tank after completion of the respective job as per the LOA. 46.2 CORPORATION shall pay to CONTRACTOR for the services, to be provided by the CONTRACTOR as per the Scope of Work (Annexure-III), and as per the price Scheduleawarded actual break- up of Lumpsum price. The rates payable, payable shall be firm during the entire CONTRACT period, including extension period, if any. 7.2 All Bills 46.3 Invoices along with relevant supporting documents shall be submitted in triplicate addressed to the General Manager(F&A) 7.3 Invoices with original supporting documents duly countersigned by the CORPORATION’s representative/ engineer wherever applicable will be submitted monthly (periodicity) by the CONTRACTOR to CORPORATION and payment shall be made within 10 calendar days from the date of receipt of invoice at the above office. Invoices alongwith supporting documents can be submitted/uploaded through VIMS Portal (▇▇▇▇▇://▇▇▇▇.▇▇▇▇.▇▇.▇▇/), which is the preferred mode of submission of Invoice. Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be uploaded in VIMS Portal by logging-in with the help of Vendor Code. However, in case supplier/contractor is not able to submit/upload the Invoice through VIMS portal as mentioned above, Invoice alongwith along with supporting documents can also be submitted/uploaded in the following way:-way: 1. EMAIL channel: Invoice (PDF digitally signed with class II/ III signature) and supporting documents can be submitted by sending these documents to a designated email-id: ap_invoices[at]ongc[dot]co[dot]in. 2. Deleted Ten (10) digit PO or Contract number should be clearly mentioned in the invoice. For submitting the invoices through VIMS Portal and Email channel, following must be ensured: i) Invoices should be system generated and no hand written invoices shall be allowed. ii) Invoice should be e-invoice in terms of GST Law or the digitally signed invoice only. iii) Invoices need to be scanned at a minimum of 300 dpi, preferably in color. iv) Invoices should be in PDF format only. v) For invoices, file name should be kept as "INVxxxxxxx.pdf" (INV must be prefixed for correct categorization of invoice and differentiation from supporting document). vi) A regular format must be maintained in which invoices are being submitted in ONGC. vii) Invoices should be digitally signed with Class - II /III Digital Certificate issued by any licensed CAs. viii) In case, Email channel is being followed, separate mail should be sent for each invoice. ANY INVOICE NOT FOLLOWING THE ABOVE MENTIONED GUIDELINES SHALL STAND TO BE REJECTED & RETURNED TO THE VENDOR. 7.6 ONGC's right 46.4 Invoices with original supporting documents duly countersigned by the CORPORATION’s representative/ Engineer-in-Charge wherever applicable will be submitted as per periodicity indicated elsewhere by the CONTRACTOR to question CORPORATION and payment shall be made within 21 calendar days from the amounts claimeddate of receipt of certified invoice, subject to submission of all required documents in order as indicated below. The original invoice should also accompany the following documents/details: [Note- 1. Presently w.e.f 01/08/2023, E-invoice is mandatory for all vendors whose aggregate turnover exceeds Rs. 5 Crore in any preceding Financial Year 2017-18 onwards. Any invoice other than E-invoice where issuance of E- invoice is mandatory, shall be treated as invalid invoice under GST Law. To ascertain the applicability of issuance of E-invoice by a taxpayer, the Govt. has enabled facility at ▇▇▇▇▇://▇▇▇▇▇▇▇▇ ▇.▇▇▇.▇▇▇.▇▇ under search >> e-invoice status of taxpayer.