Charles II tried to use his power to lift the various restrictions on religious dissenters, Catholic and Protestant, who did not subscribe to the Church of England. (See the Uniformity Act, the Conventicles Act, the Five Mile Act, the Corporation Act.). His attempt was met with concerted hostility by parliament and he withdrew the proposal.
Editors. "Declaration of Indulgence". The Literary Encyclopedia. First published 01 February 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=1459, accessed 31 May 2016.]