46 CFR 12.811: Restrictions on non-resident alien MMCs

Last reviewed: October 14, 2026

This section sets the restrictions on an MMC issued to a non-resident alien under this subpart. The MMC authorizes service only in the steward's department of certain U.S.-flagged large passenger vessels, and total service is capped at an aggregate period of 36 months. Certain restrictions must be printed on the MMC or listed in a Coast Guard letter.

Applies toNon-resident aliens who hold an MMC issued under this subpart for service on U.S.-flagged large passenger vessels.

What it says

  1. The MMC authorizes service only in the steward's department of the U.S.-flagged large passenger vessels under the same common ownership and control as the foreign-flagged passenger vessels on which the non-resident alien served to meet § 12.807(a).

    46 CFR 12.811(a)“authorizes service only in the steward's department of the U.S.-flagged large passenger vessel(s), that is/are under the same common ownership and control”
  2. No other rating or endorsement is authorized, except Lifeboat Operator or Lifeboat Operator-Limited, and then all applicable requirements of this subchapter and the STCW Convention and STCW Code must be met.

    46 CFR 12.811(a)(3)“No other rating or endorsement is authorized, except Lifeboat Operator or Lifeboat Operator-Limited”
  3. The MMC must list the name and official number of all U.S.-flagged vessels on which the non-resident alien may serve, and service on any other U.S.-flagged vessel is not authorized.

    46 CFR 12.811(b)(1)“The name and official number of all U.S.-flagged vessels on which the non-resident alien may serve. Service is not authorized on any other U.S.-flagged vessel.”
  4. Upon issuance, the MMC must remain in the custody of the employer at all times.

    46 CFR 12.811(b)(2)“Upon issuance, the MMC must remain in the custody of the employer at all times.”
  5. Upon termination of employment, the MMC must be returned to the Coast Guard within 10 days, in accordance with § 12.805.

    46 CFR 12.811(b)(3)“Upon termination of employment, the MMC must be returned to the Coast Guard within 10 days, in accordance with § 12.805.”
  6. A non-resident alien issued an MMC under this subpart may not perform watchstanding, engine room duty watch, or vessel navigation functions.

    46 CFR 12.811(b)(4)“may not perform watchstanding, engine room duty watch, or vessel navigation functions.”
  7. A non-resident alien may only serve for an aggregate period of 36 months of actual service on all authorized U.S.-flagged large passenger vessels combined under this subpart.

    46 CFR 12.811(c)“A non-resident alien may only serve for an aggregate period of 36 months of actual service on all authorized U.S.-flagged large passenger vessels combined”
  8. Once the 36-month limitation is reached, the MMC becomes invalid and must be returned to the Coast Guard under § 12.805(d).

    46 CFR 12.811(d)“Once this 36-month limitation is reached, the MMC becomes invalid and must be returned to the Coast Guard under § 12.805(d)”

Common questions

Can a non-resident alien with an MMC perform emergency-related duties?

Yes, a non-resident alien issued an MMC under this subpart may perform emergency-related duties, provided the conditions in paragraph (b)(5) are met.

“A non-resident alien issued an MMC under this subpart may perform emergency-related duties, provided that”

Who keeps a non-resident alien's MMC?

The MMC must remain in the custody of the employer at all times after issuance.

“Upon issuance, the MMC must remain in the custody of the employer at all times.”

What happens when a non-resident alien reaches the 36-month service limit?

The MMC becomes invalid and must be returned to the Coast Guard under § 12.805(d). The non-resident alien is no longer authorized to serve in a position requiring an MMC on any U.S.-flagged large passenger vessel.

“the MMC becomes invalid and must be returned to the Coast Guard under § 12.805(d)”

Do these restrictions apply after a non-resident alien becomes a permanent resident or citizen?

No. An individual who successfully adjusts their immigration status to lawful permanent resident or U.S. citizen may apply for an MMC, subject to § 10.221 of this subchapter, without the restrictions imposed by this subpart.

“may apply for an MMC, subject to the requirements of § 10.221 of this subchapter, without any restrictions or limitations imposed by this subpart.”

The text of 46 CFR 12.811

Electronic Code of Federal Regulations (eCFR), current as of April 16, 2026 · Read it on eCFR

Restrictions

(a) An MMC issued to a non-resident alien under this subpart authorizes service only in the steward's department of the U.S.-flagged large passenger vessel(s), that is/are under the same common ownership and control as the foreign-flagged passenger vessel(s) on which the non-resident alien served to meet the requirements of § 12.807(a).

(1) The MMC will be endorsed for service in the steward's department, in accordance with § 12.703.

(2) The MMC may also be endorsed for service as a Food Handler if the applicant meets the requirements of § 12.703.

(3) No other rating or endorsement is authorized, except Lifeboat Operator or Lifeboat Operator-Limited, in which case all applicable requirements of this subchapter and the STCW Convention and STCW Code (incorporated by reference, see § 12.103) must be met.

(b) The following restrictions must be printed on the MMC, or be listed in an accompanying Coast Guard letter, or both:

(1) The name and official number of all U.S.-flagged vessels on which the non-resident alien may serve. Service is not authorized on any other U.S.-flagged vessel.

(2) Upon issuance, the MMC must remain in the custody of the employer at all times.

(3) Upon termination of employment, the MMC must be returned to the Coast Guard within 10 days, in accordance with § 12.805.

(4) A non-resident alien issued an MMC under this subpart may not perform watchstanding, engine room duty watch, or vessel navigation functions.

(5) A non-resident alien issued an MMC under this subpart may perform emergency-related duties, provided that -

(i) The emergency-related duties do not require any other rating or endorsement, except Lifeboat Operator or Lifeboat Operator-Limited as specified in paragraph (a)(3) of this section;

(ii) The non-resident alien has completed Familiarization and Basic Training (BT), as required in § 15.1105 of this subchapter;

(iii) If the non-resident alien serves as a Lifeboat Operator or Lifeboat Operator-Limited, they have the necessary Lifeboat Operator or Lifeboat Operator-Limited endorsement; and

(iv) The non-resident alien has completed the training for crewmembers on passenger ships performing duties involving safety or care for passengers, as required in § 15.1103 of this subchapter.

(c) A non-resident alien may only serve for an aggregate period of 36 months of actual service on all authorized U.S.-flagged large passenger vessels combined under the provisions of this subpart.

(d) Once this 36-month limitation is reached, the MMC becomes invalid and must be returned to the Coast Guard under § 12.805(d), and the non-resident alien is no longer authorized to serve in a position requiring an MMC on any U.S.-flagged large passenger vessel.

(e) An individual who successfully adjusts their immigration status to become either an alien lawfully admitted for permanent residence to the United States, or a citizen of the United States, may apply for an MMC, subject to the requirements of § 10.221 of this subchapter, without any restrictions or limitations imposed by this subpart.

Sections it refers to

The plain-English explanation on this page was written with AI from the regulation text above and checked automatically before publishing: every quote appears in the text, every number comes from it, and a second model confirmed each statement adds nothing the text doesn't say. Regulation text current as of April 16, 2026. The regulation text governs. RegKnot is not affiliated with the U.S. Coast Guard.