Responding to the Scottish Government's confirmation they will lodge a petition for judicial review, Secretary of State for Scotland, Alister Jack, said:
"The UK Government will robustly defend the decision to prevent the Scottish Government's Gender Recognition Reform Bill from becoming law.
"I made the order under Section 35 of the Scotland Act 1998 after thorough and careful consideration of all the relevant advice and the policy implications.
"I was very clear in the accompanying Statement of Reasons how the Bill would have an adverse effect on reserved matters, including on the operation of the law as it applies to Great Britain-wide equalities protections.
“The use of the power is entirely within the devolution settlement as set out from its inception, with cross party support.”