Complete this form entirely in English. 2. The affidavit should be sworn to before a Notary Public or Commissioner of Deeds.The community college program in the State of New York was intended to permit students who are State residents to pay a reduced tuition rate. The individual who signs the affidavit of support becomes the sponsor once the intending immigrant becomes a lawful permanent resident. Fill in the sponsor's full name, date of birth, and contact information. Specify the relationship to the immigrant. In this article, I'll share a sample affidavit letter tailored for immigration purposes. If you have a joint sponsor, they must also complete Form I-864.