You need a provincial attestation letter (PAL) or territorial attestation letter (TAL) to apply for a study permit. An affidavit of support is a legal document that demonstrates financial backing for a foreign national seeking to immigrate to Canada.Sample of Affidavits: AFFIDAVIT REGARDING SPONSORSHIP DECLARTIION 1. Gather all necessary documents. Format the letter in a formal and professional manner. Learn all about writing an affidavit in support of student visa for your education abroad, with two sample letters for reference. Section A - Personal Information (Student): Please enter all your personal data here and indicate which study program you are applying for. 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. Admitted international students need to obtain an F-1 student visa in order to study full-time in the United States. These will be submitted to the NVC in Step 9.