If the UK were going to take advantage of the derogations, wouldn't you expect the transitional arrangements to appear in the ANO
No, the ANO will deal only with arrangements for Annex II aircraft. After 8 April 2012, the UK has no power to legislate in respect of EASA aircraft in the area of flight crew licensing. Derogations are as permitted by EU law and the UK CAA has already published its intentions in this respect..