5 CFR §891.402
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The appropriate retirement office shall withhold from the annuity or compensation of each of its retired employees who has elected to subscribe to the uniform plan so much as is necessary to pay his share of the cost of his subscription. The withholdings shall be forwarded, in accordance with OPM instructions, to the Retired Employees Health Benefits Fund.