Responding to comments made by Roman Catholic priests about the proposals on same-sex marriage, a spokesman for the Department for Culture, Media and Sport said:
We have been very clear that our plans for equal marriage will fully protect the freedom of religions bodies to preach, teach and put into practice their beliefs about marriage.
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The letter was signed by the CBI, British Chambers of Commerce, the EEF, the Institute of Directors and the Federation of Small Businesses.
A spokesperson said Rory Stewart's remarks were in line with the British government’s stated position.
The minister's intervention will come a week after Trump decertified the landmark agreement claiming it was not in the US national interest.