An individual applying for a merchant mariner's document shall provide satisfactory proof that the individual is a citizen of the United States before that notation is made on the document.
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| Revised section | Source section (U.S. Code) | 
|---|---|
| 7304 | 46:643(b) | 
Section 7304 specifies, that before a merchant mariner's document is noted to specify that the individual is a U.S. citizen, the individual must provide satisfactory proof that he is a citizen. This does not impose a requirement of United States citizenship as a condition for issuance of a document.