Accessorial costs means the cost of getting supplies or services to their destination in the cooperating country (and the travel costs of returning personnel to the U.S. or other point of hire). It does not include costs such as allowances or differentials related to maintaining personnel at post which are to be considered as part of the base costs within the simplified acquisition threshold.

[61 FR 39091, July 26, 1996. Redesignated at 79 FR 74993, Dec. 16, 2014]