2 C.F.R. § 200.201
(b) Fixed amount awards. The Federal agency or pass-through entity (see § 200.333) may use fixed amount awards (see the definition of fixed amount awards in § 200.1) for which the following conditions apply:
(1) The Federal award amount is negotiated using the cost principles (or other pricing information) as a guide. See § 200.101(b)(4)(ii) for further information on which provisions in subpart E (cost principles) apply to fixed amount awards. The Federal agency or pass-through entity may use fixed amount awards if the project scope has measurable goals and objectives and if accurate cost, historical, or unit pricing data is available to establish a fixed budget based on a reasonable estimate of actual costs. Budgets for fixed amount awards are negotiated with the recipient or subrecipient and the total amount of Federal funding is determined in accordance with the recipient's or subrecipient's proposal, available pricing data, and subpart E. Accountability must be based on performance and results, which can be communicated in performance reports or through routine monitoring. There is no expected routine monitoring of the actual costs incurred by the recipient or subrecipient under the Federal award. Therefore, no financial reporting is required. This does not absolve the recipient or subrecipient from the record retention requirements contained in §§ 200.334 through 200.338; nor does it absolve the recipient or subrecipient of the responsibilities of making records available for review during an audit. See § 200.101(b)(5)(i). Payments must be based on meeting specific requirements of the Federal award. Some of the ways in which the Federal award may be paid include, but are not limited to: