The Metropolitan Community Church of Toronto is a congregation of the worldwide Metropolitan Community Church movement located in Toronto, Ontario, Canada and is a welcoming congregation openly affirming lesbian, gay, bisexual, heterosexual and transgender people. MCC Toronto was instrumental in changing the law on same sex marriage in Ontario, when two same-sex marriage ceremonies performed at the church on January 14, 2001 initiated the process leading to the Halpern v Canada (AG) decision of 2003.