You need a provincial attestation letter (PAL) or territorial attestation letter (TAL) to apply for a study permit. Sample of Affidavits: AFFIDAVIT REGARDING SPONSORSHIP DECLARTIION 1.The purpose of the Affidavit is to assist consular officers in determining whether a visa applicant will have adequate means of financial support in the US. Step 1: Read the guide and get your application package. Read the instruction guide carefully before you complete your application. Form I864, Affidavit of Support, needs to be filed DHS if you are a U.S. citizen or LPR planning to sponsor a spouse or family member. This form acts as proof that you are financially capable of managing your stay in the United States. Once you have received acceptance from the university in the US, the next step is to complete a lot of paperwork in order to be admitted. A Form I134 affidavit of support serves as a visa applicant's evidence of sponsorship, or evidence that the applicant has financial support. Learn how to complete form I864EZ, the simplified affidavit of support form for immigration.