Constitutional quota details

http://www.ces.es/TRESMED/docum/ita-cttn-ing.pdf
or
https://en.camera.it/application/xmanager/projects/camera_eng/file/Costituzione_EN_5_11_2020.pdf

All citizens of either sex shall be eligible for public office and for elective positions on equal terms, according to the conditions set forth by law. To this end, the Republic shall adopt specific measures to promote equal opportunities between women and men. (Article 51)

Regional laws shall remove any hindrances to the full equality of men and women in social, cultural and economic life and promote equal access to elective offices for men and women. (Article 117)