The application for a judicial review is being lodged by Countryside Alliance chairman John Jackson, farrier's wife Mair Hughes, from Rhondda, south Wales, and Bicester Hunt member Patrick Martin.
What's already striking about this reshuffle is that it is being used to address Tory weaknesses in the long run up to an election - hence the new soothing presence of Jeremy Hunt at Health, Chris Grayling's harder line at Justice and a new pledge-free Patrick McLoughlin in charge of deciding whether there should be a new third runway at Heathrow.