If a pastor is informed that a member has without notice united with a church of another denomination, the pastor shall make diligent inquiry. You can do is to end your membership in The UMC.Send a letter requesting removal, the board will have to vote on it and they usually require an official request. If the member does not comply with any of the available alternatives over a period of two years, the member's name may be removed. The Book of Discipline provides that members can be removed from the membership role if they "transfer, die or have withdrawn from membership." One of the largest Protestant denominations in the US is losing congregations over disputes over LGBTQ clergy and samesex marriage. Disaffiliation takes a twothirds vote of the congregation. United Methodist Church asks court to dismiss Harvest lawsuit. Amendments to the constitution of The United Methodist Church. Posted here with permission.