Any person issuing, selling, or offering to sell any passenger ticket for passage or conveyance aboard any foreign vessel, including the owner or consignee of such vessel, his agents, servants, or employees, shall make reference to the country of registry of such vessel and a statement that such vessel is not subject to American safety regulations in any advertisement, circular, circular letter, pamphlet, card, handbill, or other printed paper or notice, written or oral, in regard to the passage, ticket, or instrument, or the passage or voyage to which it entitles or purports to entitle its owner, purchaser, or holder, or line over which, or the vessel for which, such passage is sold or offered, or as to his agency for such line or vessel. The reference and statement shall be prominently displayed.