Affidavit of Financial Support (for non-U. Petitioner: The petitioner must complete an Affidavit of Support Form I-864.The person who signs the Affidavit of Support is also called the "sponsor. I am sponsoring the following family members immigrating at the same time or within six months of the principal immigrant named in Part 3. Each sponsor must provide an Affidavit of Support and all required financial documents. If you're a new or returning student seeking the ultimate college experience, you're in the right place. An Affidavit of Support is US Immigration Form I-864. 1 inancial Responsibility Statement (PD) Proof of financial support must be on file with your international advisor before a SEVIS I20 will be issued. Assistantship Affidavit for F-1 Students, This form can be used to show funding for I-20 issuance. CPT authorization for paid employment; OPT authorization.