Registry of Ships Act 1787

Oaths for acquiring rights of citizens in foreign states as herein not deemed oaths of allegiance.

XII. Provided always, That any oath which shall have been, or may be taken for the sole purpose of acquiring the rights of a citizen or burgher, in any foreign city or town in Europe (to be enjoyed during the time that the person or persons making such oath shall reside in such city or town, and for a limited time after such residence shall have expired) shall not be deemed an oath of allegiance to a foreign state within the true intent and meaning of this act.