Treaties, States Parties and Commentaries
Treaties and Documents
Geneva Conventions of 1949 and Additional Protocols, and their Commentaries
Historical Treaties and Documents
Convention on Maritime Neutrality. Havana, 20 February 1928.
Section III : Rights and duties of neutrals - Art. 23.
Art. 23. Neutral states shall not oppose the voluntary departure of nationals of belligerent states even though they leave simultaneously in great numbers; but they may oppose the voluntary departure of their own nationals going to enlist in the armed forces.