The court's ruling is considered a "jurisprudential thesis" and did not invalidate state laws, meaning that same-sex couples denied the right to marry would still have to seek individual amparos.
Article 1 of the Constitution states that "any form of discrimination, based on ethnic or national origin, gender, age, disabilities, social status, medical conditions, religion, opinions, sexual orientation, marital status, or any other form, which violates the human dignity or seeks to annul or diminish the rights and freedoms of the people, is prohibited", and Article 4 relates to matrimonial equality, stating that "man and woman are equal under the law.
[12] The July 2018 elections resulted in the National Regeneration Movement (MORENA), a party in support of same-sex marriage, winning a plurality of legislative seats in Zacatecas.
[13] In late February 2019, MORENA Deputy Mónica Borrego Estrada introduced a new same-sex marriage bill to Congress,[14][15] which she was hopeful would be passed "soon".
[18] On 14 February 2019, officials in the city of Zacatecas announced they would begin issuing marriage licenses to same-sex couples.
[21] Bishop Sigifredo Noriega, who headed the Roman Catholic Diocese of Zacatecas, also stated his opposition, but nevertheless considered it necessary to find an alternative measure protecting the legal rights of same-sex couples without the "destruction of marriage".
[29][30][31] In September 2021, Deputy Xerardo Ramírez Muñoz from the Labor Party introduced a bill to legalize same-sex marriage to the Congress of Zacatecas.
[35] Article 100 of the Family Code was amended to read as follows: The following table shows the number of same-sex marriages performed in Zacatecas since 2021 as reported by the National Institute of Statistics and Geography.
[37] A 2017 opinion poll conducted by Gabinete de Comunicación Estratégica found that 46% of Zacatecas residents supported same-sex marriage, while 49% were opposed.