Argentine President Cristina Fernandez de Kirchner is expected Wednesday to ratify a gay marriage law approved by lawmakers.

“This morning, Chief of Staff Anibal Fernandez called us to say [President] Cristina Fernandez will promulgate the gay marriage law on Wednesday at an event to include gay rights groups,” Maria Rachid, president of the Argentine Federation of Lesbians Gays Bisexuals & Trans (FALGBT), a group that lobbied for passage of the bill, told members of the Argentine press.

The president is currently traveling in China.

Rachid also said that over 100 gay and lesbian couples are preparing to wed in Argentina as the law comes online. The first marriage is expected to take place on August 13 in the capital city of Buenos Aires.

After a marathon 15-hour debate in the Senate, Argentina became the first Latin American country to legalize gay marriage on Thursday, over the strong objections of the Roman Catholic Church. More than 90 percent of Argentinians say they belong to the church.

Mexico City officials have offered a free honeymoon to the first gay couple to marry in Argentina. Gay and lesbian couples can also marry in the Mexican capital, a fact tourism officials hope to capitalize on.