How do I write a letter to change my church membership? This is an almost unanswerable question without context.This form is used to report a change in a church's Lay Member to Annual Conference. This form is to be sent to the church's District Office for approval. The applicant's pastor must sign off on this form indicating the applicant is a full member of a. Sponsors must be Catholics who have received all Sacraments of Initiation (are baptized and confirmed, and have received first communion).