Declaration recognising the Right to a Flag of States having no Sea-coast
The Declaration recognising the Right to a Flag of States having no Sea-coast is a 1921 multilateral treaty which legally recognised that a land-locked state could be a maritime flag state; that is , that a land-locked state could register ships and sail them on the sea under its own flag . 
<triplet> Declaration recognising the Right to a Flag of States having no Sea-coast <subj> 1921 <obj> publication date