Same-sex marriage in Tamaulipas

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.

[5] The state appealed the decision to the Supreme Court, which ruled on 22 February 2017 that the definition of marriage in the Civil Code of Tamaulipas was unconstitutional.

The judge declared article 124 of the Civil Code, which referred to married parties as "a man and a woman", unconstitutional, ordering that it be altered to allow for same-sex marriages.

[9] In January 2017, a federal judge warned deputies of the Congress of Tamaulipas that they would be fined for 100 days should they continue to refuse to legalize same-sex marriage.

[14] In 2011, LGBT activists began a campaign urging the Congress of Tamaulipas to pass a bill legalizing same-sex civil unions.

In June 2015, Deputy Olga Patricia Sosa Ruiz confirmed that Congress was working on a bill to legalize same-sex marriage.

A bill to legalize same-sex marriage was introduced to Congress by Deputy Nancy Ruíz Martínez from the conservative National Action Party (PAN) in early October 2022.

[14][20] The bill was published in the official state journal on 18 November, following Governor Américo Villarreal Anaya's signature, and took effect the following day.

[23] The first same-sex marriage performed under the legislation took place in Tampico on 22 November between Carlos Rojas Hernández and Alejandro Tenorio del Angel.

The following table shows the number of same-sex marriages performed in Tamaulipas since legalization in 2022 as reported by the National Institute of Statistics and Geography.