British King George III approved the repeal of the Stamp Act and passed the Declaratory Act on March 18, 1766. This act was passed to assert the authority of the British government to tax its subjects in North America after it repealed the much-hated Stamp Act.The Declaratory Act stated that Parliament had complete control over the governing of the colonies in "all cases whatsoever. The Declaratory Act (1766) to the Coercive Acts (1774). That was enough to take the air out of the opposition. The repeal of the Stamp Act did not mean that Great Britain was surrendering any control over its colonies. This act stated that the taxing authority of the British Parliament in America was as same as in Britain. A mere four months after its enactment, the Stamp Act was repealed on March 18, 1766. This act stated that the taxing authority of the British Parliament in America was as same as in Britain. The repeal of the Stamp Act did not mean that Great Britain was surrendering any control over its colonies.