201.The port director may revoke or suspend the license of a cartman or lighterman if any of the following is found, EXCEPT:
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Correct answer: b) His vehicle or vessel is properly marked.
Reference: 19 CFR § 112.30(2), 19 CFR ڃ112.30 (a)1, 2, 4, 6, 9
Source: U.S. Customs and Border Protection, exam of October 2021