This act was passed to assert the authority of the British government to tax its subjects in North America after it repealed the much-hated Stamp Act. Enacted in November 1765, the controversial act forced colonists to buy a British stamp for every official document they obtained.The actual purpose of the British Declaratory Act of 1766 to was to proclaim the right of Britain to pass laws regulating the colonies. On March 18, 1766, George III approved Parliament's repeal of the Stamp Act and its passage of the Declaratory Act. Parliament decided for the first time to tax the colonists directly. The American Colonies Act 1766 (6 Geo. 3. c. In the same year, 1765, Parliament also passed the Quartering Act, a law that attempted to solve the problems of stationing troops in North America. Estos be employed as. 'Tax Ferret' to represent the Commissioners'. Answer:Insist it had the right to tax colonists.