Chipping Norton Government Act 1972 made it a successor parish within the district of West Oxfordshire. Chipping Norton is in the Witney parliamentary constituency. The Member of Parliament for Witney from 2001 to 2016 was David Cameron, who was Prime Minister of the United Kingdom from 2010 to 2016 and the leader of the Conservative Party from 2005 to 2016. Since 2016 the MP for Witney has been the Conservative Robert Courts. Chipping Norton is part of the South East England constituency for the European Parliament. One Conservative councillor and two Labour councillors represent the town on West Oxfordshire District Council holding
David Cameron couples in a 2005 speech, and in October 2011 urged Conservative MPs to support gay marriage. In November 2012, Cameron and Nick Clegg agreed to fast-track legislation for introducing same-sex marriage. Cameron stated that he wanted to give religious groups the ability to host gay marriage ceremonies, and that he did not want to exclude gay people from a "great institution". In 2013, the Marriage (Same Sex Couples) Act 2013 became law despite opposition from more than half of his fellow Conservative MPs, including Cabinet ministers Owen Paterson and David Jones. He also subsequently appointed two women who had voted