Same-sex union legislation legislation of unregistered cohabitation was introduced in the Netherlands in June 1979. However, the first substantial recognition of same-sex couples didn't occur before the introduction of a new legal form, that of registered partnerships, which was first enacted in Denmark in June 1989. Many countries have followed with similar legislation since then. Legislation of these forms of legal unions still occur with a variety of different names, even after the introduction of same sex marriage, although sometimes they are overwritten by subsequent legislation of same-sex marriage. There are currently seventeen countries that have an alternative form of legal recognition other
Same-sex marriage in Chiapas In addition, it also standardized the concept of cohabitation, disregarding a person's sexual preference. A new same-sex marriage bill was presented to the Chiapan Congress in May 2016. According to Unidos Diferentes Asociación Civil (UDAC), a local LGBT advocacy group, the same-sex marriage bill was taken off the agenda several times and not voted upon due to the actions of the president of the local Congress, Eduardo Ramírez Aguilar. Additionally, UDAC has said that the bill does not address the issue of adoption for same-sex couples. On 25 September 2014, a collective amparo (injunction) for the legalization of same-sex marriage