Placing of Seamen Convention, 1920

Placing of Seamen Convention, 1920 is an International Labour Organization Convention.
It was established in 1920:

Ratifications

As of 2013, the convention had been ratified by 41 states. Of the ratifying states, 15 have subsequently denounced the convention, some by a process that automatically denounces the treaty when the same state ratifies a convention that supersedes the 1920 treaty.