5 CFR § 591.231Chapter I
Which areas are post differential areas?
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
OPM 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.
eCFR data current as of: November 5, 2026
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