The letter should be addressed to "Honorable Immigration Judge. " • Introduce yourself, your immigration status, and address.Honorable Judge: State your name, age and immigration status. It highlights some of the main points of emphasis judges look for. When writing a letter, you will want to address the judge with a greeting and a date. 1. Talk to the person immigrating to the US. The person for whom you write an affidavit should be someone you know very well. Abogado Ray gives an overview of how to write a good moral character letter for someone's immigration case. " Practice pointer: The declaration should begin with a brief introduction which lays out the basis of the asylum claim. 1. My name is Joao Doe. Sample Immigration Letter of Support for a Family Member.