22 CFR § 201.12 - Eligibility of incidental services.
Incidental services may be financed under the same implementing document which makes funds available for the procurement of equipment only if:
(a) Such services are specified in the purchase contract relating to the equipment;
(b) The price satisfies the requirements of § 201.68;
(c) The portion of the total purchase contract price attributable to such services does not exceed 25 percent; and
(d) The supplier of such services, prior to approval of the USAID Commodity Approval Application, has neither been suspended or debarred by USAID under part 208 of this chapter, nor has been placed on the “Lists of Parties Excluded from Federal Procurement or Nonprocurement Programs,” published by the U.S. General Services Administration.