46 CFR § 153.903
Operating a United States ship in special areas: Categories A, B, and C
April 15, 2021
No person may operate a United States ship that carries an NLS or NLS residue in a special area unless—
(a) The ship's Certificate of Inspection is endorsed in accordance with §153.30; and
(b) The ship meets the operating requirements applying to special areas in Regulations 5, 5A, 8 and the Standards for Procedures and Arrangements of Annex II.
[CGD 81-101, 52 FR 7784, Mar. 12, 1987]