StacksVerified U.S. regulatory reference

21 CFR §1306.23

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The partial filling of a prescription for a controlled substance listed in Schedule III, IV, or V is permissible, provided that:
  1. (a)Each partial filling is recorded in the same manner as a refilling,
  2. (b)The total quantity dispensed in all partial fillings does not exceed the total quantity prescribed, and
  3. (c)No dispensing occurs after 6 months after the date on which the prescription was issued.