Much confusion surrounds the need to submit I751 affidavits and how to write them. We explain and provide an I-751 affidavit sample.Use this form to show they have adequate means of financial support and are not likely to rely on the US government for financial support. Nevada Affidavit Templates. Use our Affidavit template to swear to the truthfulness of a statement or fact. A proof of residency letter is an acknowledgment or sworn statement stating that an individual resides at a specific address. An Intervention Affidavit (Form 530) should be utilized for allegations pertaining to a board member, unit owner, or declarant. I am sponsoring the following family members immigrating at the same time or within six months of the principal immigrant named in Part 3. Filling out an Affidavit of Identity involves providing accurate information about the affiant (the person making the affidavit) and their identity. Tips to Write a Valid Nevada Affidavit.