In this article, we discuss how to write a letter with two signatures and provide an example letter for you to use as a reference. The Probate Registrar does not just hand out Letters.Letters are not free. Complete application form (pages 34). Review Technical Standards (pages 5-6). You may file an appeal or grievance (complaint) orally or in writing. Fill in the Court File Number. In a modified block business letter, the heading, complimentary close, the signature, and identification are aligned to the right. 18111 silver badge33 bronze badges. 1. 3. • If you signed a waiver (Form ST21, Consent to Extend Statute), follow that deadline.