Letter of Transfer of Church Membership ✓ easily fill out and sign forms ✓ download blank or editable online. We're for people on their brightest days and in their toughest seasons.We're for second chances. Letter of Transfer of Church Membership ✓ easily fill out and sign forms ✓ download blank or editable online. Starting January 1, 2025, TriWest Healthcare Alliance (TriWest) is the new regional contractor in the TRICARE West Region. Stamps will be valid from the date of purchase through June 30, 2025.