21 CFR § 1309.42 - Certificate of registration; denial of registration.

---
identifier: "/us/cfr/t21/s1309.42"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 1309.42 - Certificate of registration; denial of registration."
title_number: 21
title_name: "Food and Drugs"
section_number: "1309.42"
section_name: "Certificate of registration; denial of registration."
chapter_name: "DRUG ENFORCEMENT ADMINISTRATION, DEPARTMENT OF JUSTICE"
part_number: "1309"
part_name: "REGISTRATION OF MANUFACTURERS, DISTRIBUTORS, IMPORTERS AND EXPORTERS OF LIST I CHEMICALS"
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. 802, 821, 822, 823, 824, 830, 871(b), 875, 877, 886a, 952, 953, 957, 958."
regulatory_source: "60 FR 32454, June 22, 1995, unless otherwise noted."
cfr_part: "1309"
---


# 1309.42 Certificate of registration; denial of registration.

(a) The Administrator shall issue a Certificate of Registration (DEA Form 511) to an applicant if the issuance of registration or reregistration is required under the applicable provisions of section 303 of the Act (21 U.S.C. 823). In the event that the issuance of registration or reregistration is not required, the Administrator shall deny the application. Before denying any application, the Administrator shall issue an order to show cause pursuant to Section 1309.46 and, if requested by the applicant, shall hold a hearing on the application pursuant to § 1309.51.

(b) The Certificate of Registration (DEA Form 511) shall contain the name, address, and registration number of the registrant, the activity authorized by the registration, the amount of fee paid, and the expiration date of the registration. The registrant shall maintain the certificate of registration at the registered location in a readily retrievable manner and shall permit inspection of the certificate by any official, agent or employee of the Administration or of any Federal, State, or local agency engaged in enforcement of laws relating to List I chemicals or controlled substances.