Common use of Letters of Authorization Clause in Contracts

Letters of Authorization. 3.1.4.1. In response to LOA’s that may be issued periodically by the Director, Engineer shall perform Special Services as set forth under this Contract. The extent of such assigned work and the method of payment will be defined in each LOA in accordance with this Contract (after negotiations with Engineer have been completed for each LOA). The method of payment is (i) Billing Rate plus Reimbursable Expenses and Subcontract Costs, and (ii) a lump sum that does not exceed an estimate of (i), not to exceed the amounts set forth in Section 3.1.