Quitmormon provides a service that lets you submit a resignation using a notorized letter. This notarized letter is my formal resignation from the Church of Jesus Christ of Latterday Saints and is effective immediately.Address your letter to: Member Records Division, The Church of Jesus Christ of Latter-day Saints, 50 E North Temple Room 1372, Salt Lake City UT 84150-5310. What are some good reasons for leaving your local congregation? Communicate clearly and graciously. I recommend doing this in person, on the phone, or through a thoughtful, personal email. Church members should exercise graciousness and courtesy in leaving a church. For people living in Utah, a familiarity with the "Mormons" or the Church of Jesus Christ of Latter Day Saints is an inevitability. Facts and stats from the Church of Jesus Christ of Latter-day Saints. You do not need to address it to the Bishop of your ward, no matter what church headquarters says.