U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 5Chapter IPart 591Subpart B - Subpart B—Cost-of-Living Allowance and Post Differential—Nonforeign Areas

COST-OF-LIVING ALLOWANCES AND POST DIFFERENTIALS
§ 591.202 - Why does the Government pay COLAs?
§ 591.203 - Why does the Government pay post differentials?
§ 591.204 - Who can receive COLAs and post differentials?
§ 591.205 - Which areas are nonforeign areas?
§ 591.201 - Definitions.

COST-OF-LIVING ALLOWANCES
§ 591.206 - How does OPM establish COLA areas?
§ 591.207 - Which areas are COLA areas?
§ 591.208 - How does OPM establish COLA rates?
§ 591.209 - What is a price index?
§ 591.210 - What are weights?
§ 591.211 - What are the categories of consumer expenditures?
§ 591.212 - How does OPM select survey items?
§ 591.213 - What prices does OPM collect?
§ 591.214 - How does OPM collect prices?
§ 591.215 - Where does OPM collect prices in the COLA and DC areas?
§ 591.216 - How does OPM combine survey data for the DC area and for COLA areas with multiple survey areas?
§ 591.217 - In which outlets does OPM collect prices?
§ 591.218 - How does OPM compute price indexes?
§ 591.219 - How does OPM compute shelter price indexes?
§ 591.220 - How does OPM calculate energy utility cost indexes?
§ 591.221 -
§ 591.222 - How does OPM use the expenditure weights to combine price indexes?
§ 591.223 - When does OPM conduct COLA surveys?
§ 591.224 - How does OPM adjust price indexes between surveys?
§ 591.225 - Which CPIs does OPM use?
§ 591.226 - How does OPM apply the CPIs?
§ 591.227 - What adjustment factors does OPM add to the price indexes?
§ 591.228 - How does OPM convert the price index plus adjustment factor to a COLA rate?
§ 591.229 - How does OPM inform agencies and employees of COLA rate changes?

POST DIFFERENTIALS
§ 591.230 - When does OPM establish post differential areas?
§ 591.231 - Which areas are post differential areas?
§ 591.232 - How does OPM establish and review post differentials?
§ 591.233 - Who can receive a post differential?
§ 591.234 - Under what circumstances may people recruited locally receive a post differential?

PROGRAM ADMINISTRATION
§ 591.235 - When do COLA and post differential payments begin?
§ 591.236 - When do COLA and post differential payments end?
§ 591.237 - Under what circumstances may employees on leave or travel receive a COLA and/or post differential?
§ 591.238 - How do agencies pay COLAs and post differentials?
§ 591.239 - How do agencies treat COLAs and post differentials for the purpose of overtime pay and other entitlements?
§ 591.240 - How are agency and employee representatives involved in the administration of the COLA and post differential programs?
§ 591.241 - What are the key activities of the COLA Advisory Committees?
§ 591.242 - What is the tenure of a COLA Advisory Committee?
§ 591.243 - How many members are on each COLA Advisory Committee?
§ 591.244 - How does OPM select COLA Advisory Committee members?
Appendix Appendix A - Appendix A to Subpart B of Part 591—Places and Rates at Which Allowances Are Paid
Appendix Appendix B - Appendix B to Subpart B of Part 591—Places and Rates At Which Differentials Are Paid
© 2016 GovRegs | About | Disclaimer | Privacy