Electoral law quota details
Spain
‘Lists of candidates put forward under this Act for elections to Congress (…) shall have a balanced proportion of women and men, so that candidates of either sex make up at least 40 per 100 of total membership. Where the number of seats to be covered is less than five, the ratio between women and men shall be as close as possible to equal balance’ (Organic Law on Regime of General Elections, Article 44 bis (1)).