one million signatures for the repeal of discriminatory laws (persian: يک ميليون امضا برای لغو قوانين تبعيض آميز "yek milyun emzā barā-ye laghv-e qavānin-e tab‘iz āmiz"), also known as change for equality, is a campaign by women in iran to collect one million signatures in support of changing discriminatory laws against women in their country.