Have seen 2 articles which alerted me to this lobbying:
https://www.scottishdailyexpress.co.uk/news/politics/snp-funded-charities-demand-uk-36689630
https://www.independent.co.uk/news/uk/politics/trans-rights-supreme-court-starmer-hampstead-ladies-ponds-b2914769.html
Have now found a copy of the letter:
140 feminist and LGBTQ+ organisations join together to call for urgent action. Inclusive organisations must be protected
Article https://www.transsolidarityalliance.com/
Letter https://78af2a6e-4a1c-4f48-9808-387918a50474.filesusr.com/ugd/dc9c25_da7818fc42f8406c98881a1149cda065.pdf
Not that any part of it, nor that it has been written and signed, isn't the usual ignore women's rights waffle.
But more a reminder that there is still organised campaigning of the Government to ignore the Supreme Court ruling.
And sadly more than enough "charity" groups ready to organise against women's sex based rights.