---
kind: "section"
citation: "46 C.F.R. § 16.220"
title: "46"
number: "16.220"
heading: "Periodic testing requirements."
url: "https://uscodex.org/cfr/46/16.220"
---

# §16.220. Periodic testing requirements.

- (a) Except as provided by [paragraph (c)](#c) of this section and [§ 10.227(g)](/cfr/46/10.227.md?p=g) of this subchapter, an applicant must pass a chemical test for dangerous drugs for—
  - (1) An original issuance of a Merchant Mariner Credential (MMC);
  - (2) The first issuance, raise of grade, or renewal of an officer endorsement on an MMC;
  - (3) A raise of grade of an MMC;
  - (4) The first endorsement as an Able Seafarer, Lifeboat Operator, Qualified Member of the Engine Department (QMED), or a tank vessel endorsement; or
  - (5) **A reissuance of a credential with a new expiration date.** Results of the test must be provided to the Coast Guard in a manner prescribed by the Coast Guard. The test results must be completed and dated not more than 185 days before submission of the application.
- (b) Unless excepted under [paragraph (c)](#c) of this section, each Pilot required by this subchapter to receive an annual physical examination must pass a chemical test for dangerous drugs as a part of that examination, and provide the results to the Coast Guard. Applicants need not submit additional copies of their annual chemical test for dangerous drugs pursuant to [paragraph (a)](#a) of this section if the applicant submitted passing results of a chemical test for dangerous drugs to the Coast Guard within 12 months of the date of application.
- (c) An applicant need not submit evidence of passing a chemical test for dangerous drugs required by paragraph [(a)](#a) or [(b)](#b) of this section if they provide satisfactory evidence that they have—
  - (1) Passed a chemical test for dangerous drugs required by this part within the previous 6 months with no subsequent positive chemical tests during the remainder of the 6-month period; or
  - (2) During the previous 185 days been subject to a random testing program required by [§ 16.230](/cfr/46/16.230.md) for at least 60 days and did not fail or refuse to participate in a chemical test for dangerous drugs required by this part.
- (d) Except as provided by [paragraph (b)](#b) of this section, an applicant is required to provide the results of only one chemical test for dangerous drugs when multiple transactions are covered by or requested in a single application.

## Notes

### Amendments

[CGD 91-223, 60 FR 4525, Jan. 23, 1995, as amended by USCG-2006-24371, 74 FR 11264, Mar. 16, 2009; USCG-2018-0874, 84 FR 30883, June 28, 2019; USCG-2021-0834, 89 FR 102340, Dec. 17, 2024]

### Source

Source: CGD 86-067, 53 FR 47079, Nov. 21, 1988, as amended by USCG-2021-0097, 89 FR 93134, Nov. 25, 2024, unless otherwise noted.

### Authority

Authority: 46 U.S.C. 2103, 3306, 7101, 7301, and 7701; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 86-067, 53 FR 47079, Nov. 21, 1988, unless otherwise noted.

### Amendments

[CGD 91-223, 60 FR 4525, Jan. 23, 1995, as amended by USCG-2006-24371, 74 FR 11264, Mar. 16, 2009; USCG-2018-0874, 84 FR 30883, June 28, 2019; USCG-2021-0834, 89 FR 102340, Dec. 17, 2024]