...the United States, as provided in this Act. may engage In the coastwise trade of the United States. States be Interested therein as owner, In whole or...transferred to a foreign registry or flag, or sold; nof , except under regulations prescribed by the board, be chartered or leased. "When the United States...

...solely as merchant vessels shall be subject to all laws, regulations, and liabilities governing merchant vessels, whether the United States be interested therein...hold any mortgage, lien, or other interest therein. Except as provided in section 1181 of this title, it shall be unlawful, without the approval of the...

...solely as merchant vessels shall be subject to all laws, regulations, and liabilities governing merchant vessels, whether the United States be interested therein...owner, in whole or in part, or hold any mortgage, Hen, or other interest therein. No such vessel, without the approval of the board, shall be transferred...