# 591.223 When does OPM conduct COLA surveys?
(a) OPM conducts a survey in each COLA area once every 3 years on a rotational basis and surveys the Washington, DC, area concurrently with each COLA area survey. The order of the COLA area surveys is as follows:
(1) *Year 1.* All COLA areas in the Commonwealth of Puerto Rico and the U.S. Virgin Islands.
(2) *Year 2.* All COLA areas in the State of Alaska, except as provided in paragraph (b)(2) of this section.
(3) *Year 3.* All COLA areas in the State of Hawaii and the Territory of Guam and CNMI.
(b) *Exceptions:*
(1) Nothing in this subpart precludes OPM from conducting interim surveys or implementing some other change in response to conditions caused by a natural disaster or similar emergency, provided OPM publishes a notice or rule in the *Federal Register* explaining the change and the reason(s) for it.
(2) As provided in § 591.215(c), OPM does not conduct surveys in the Rest of the State of Alaska COLA area unless COLA rate reductions appear warranted.