Just seen it on Twitter, Declaration on Women's Sex-based Rights
www.womensdeclaration.com/en/declaration-womens-sex-based-rights-full-text/
First 3 paras (hope it's OK to c&p it):
This Declaration reaffirms the sex-based rights of women which are set out in the Convention on the Elimination of all Forms of Discrimination against Women adopted by the United Nations General Assembly on 18 December 1979 (CEDAW), further developed in the CEDAW Committee General Recommendations, and adopted, inter alia, in the United Nations Declaration on the Elimination of Violence against Women 1993 (UNDEVW).
Article 1 of the CEDAW defines discrimination against women to mean, “any distinction, exclusion or restriction made on the basis of sex which has the effect or purpose of impairing or nullifying the recognition, enjoyment or exercise by women, irrespective of their marital status, on a basis of equality of men and women, of human rights and fundamental freedoms in the political, economic, social, cultural, civil or any other field.’’
Sex is defined by the United Nations as “the physical and biological characteristics that distinguish males from females.’’ (Gender Equality Glossary, UN Women)