Which areas are post differential areas?
5 C.F.R. § 591.231
in effectEffective: 2024-07-01OPM has established the following post differential areas:
(a) American Samoa as defined in § 591.205,
(b) Territory of Guam,
(c) Commonwealth of the Northern Mariana Islands,
(d) Johnston Atoll (including Sand Island),
(e) Midway Atoll, and
(f) Wake Atoll.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-5.xmlFetched: 7/26/2026