Enter the name of the corporation at the top of the form to complete the certificate's title. If your church or ministry needs a Tax ID, the link to apply online is below.You can also print out and mail a form (Form SS-4). Registration is the official way we join a parish community. Registration is COMPLETELY FREE and must be renewed at the start of each year. In the files I cannot find the official document where we were assigned the tax ID number. I need a copy of this document. HEAP helps low-income households meet the cost of heating their homes. Application for Church Membership. I, _____ , am applying for Church membership at (Name of Church).