Alister Jack has said he is willing to consider blocking the Gender Recognition Reform Bill under Section 35 of the Scotland Act.
twitter.com/JournoStephen
Detailed Review of the Legal case that powers that could be used:
ukconstitutionallaw.org/2022/12/21/michael-foran-sex-gender-and-the-scotland-act/
In short it seems there are potential good grounds to use Section 35 in this case due to contradictions in the legislation. [Lots of speculation that this was this Sturgeon's aim all along create legislation so bad it would be overturned and increase support for Indy? However I think this is just a case of pure ideology combined with incompetence.]
Writing into your MP especially if they are a Tory would be a good move at this point.