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Federal regulations · Through 2026-08-25 · Newer source version available

5 CFR 591.208: How does OPM establish COLA rates?

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Where this section sits in the code
  1. Title 5—Administrative Personnel
  2. CHAPTER I—OFFICE OF PERSONNEL MANAGEMENT
  3. SUBCHAPTER B—CIVIL SERVICE REGULATIONS
  4. PART 591—ALLOWANCES AND DIFFERENTIALS
  5. Subpart B—Cost-of-Living Allowance and Post Differential—Nonforeign Areas

OPM establishes COLA rates based on price differences between the COLA area and the Washington, DC, area, plus an adjustment factor. OPM expresses price differences as indexes.

(a) OPM computes price indexes for various categories of consumer expenditures.

(b) OPM combines the price indexes using Consumer expenditure weights to produce an overall price index for the COLA area.

(c) To combine overall price indexes for COLA areas with multiple survey areas, OPM uses employment weights to combine overall price indexes by survey area for COLA areas. The COLA areas that have multiple survey areas are listed in § 591.215(b).

(d) OPM adds an adjustment factor to the overall price index for the COLA area.

Collected 2026-08-27T02:23:53Z. Source file · JSON

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