For years before the Global Methodist Church existed, the United Methodist Church had been openly divided over whether its clergy could be gay and whether its pastors could perform same sex weddings. A 2020 proposal, negotiated by representatives from across the denomination's factions, laid out a path for congregations that disagreed with the direction the wider church was heading to leave with their property intact rather than fight it out in court. That plan was never formally adopted at a full United Methodist General Conference, partly because the pandemic delayed the meeting for years, but individual conferences used an existing disaffiliation rule to let congregations depart anyway.
The Global Methodist Church launched in May 2022 to give those departing congregations somewhere organized to go, months before it had ever held a single legislative meeting of its own. That created an unusual problem: a denomination needs a governing text from its very first day, ordination standards, a process for resolving disputes, rules for how conferences are organized, but the Global Methodist Church would not convene its own founding General Conference until 2024. The Transitional Book of Doctrines and Discipline was the answer, an interim governing document adopted before the church had ever voted on anything as a body, written to be replaced once a permanent version could go through the ordinary legislative process a new denomination does not yet have.