颁布日期：19210420 　实施日期：19210420 　颁布单位：巴塞罗那

　　The undersigned， duly authorised for the purpose， declare that theStates which they represent recognise the flag flown by the vessels of anyState having no sea-coast which are registered at some one specified placesituated in its territory； such place shall serve as the port of registryof such vessels.

　　Barcelona， April 20， 1921， done in a single copy of which the Englishand French texts shall be authentic.