21 CFR § 1306.23 - Partial filling of prescriptions.
---
identifier: "/us/cfr/t21/s1306.23"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 1306.23 - Partial filling of prescriptions."
title_number: 21
title_name: "Food and Drugs"
section_number: "1306.23"
section_name: "Partial filling of prescriptions."
chapter_name: "DRUG ENFORCEMENT ADMINISTRATION, DEPARTMENT OF JUSTICE"
part_number: "1306"
part_name: "PRESCRIPTIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 821, 823(k), 829, 831, 871(b), unless otherwise noted."
regulatory_source: "36 FR 7799, Apr. 24, 1971; 36 FR 13386, July 21, 1971, unless otherwise noted. Redesignated at 38 FR 26609, Sept. 24, 1973."
cfr_part: "1306"
---
# 1306.23 Partial filling of prescriptions.
The partial filling of a prescription for a controlled substance listed in Schedule III, IV, or V is permissible, provided that:
(a) Each partial filling is recorded in the same manner as a refilling,
(b) The total quantity dispensed in all partial fillings does not exceed the total quantity prescribed, and
(c) No dispensing occurs after 6 months after the date on which the prescription was issued.
[36 FR 18733, Sept. 21, 1971. Redesignated at 38 FR 26609, Sept. 24, 1973, and amended at 51 FR 5320, Feb. 13, 1986; 62 FR 13965, Mar. 24, 1997]