46 U.S. Code § 5109 - Reciprocity for foreign vessels
Source: Section (U.S. Code) 46 App. U.S.C. 86f, 88d.
Section 5109(a) requires the Secretary to accept the load line mark and load line certificate of a vessel of a foreign country if the Secretary finds that the load line laws and regulations of that country are similar to those of this chapter, or if that country is a party to an international load line agreement to which the United States is a party.