If you have already reached the 40 quarters on your own, through lawful employment (perhaps while in the U.S. as a student or H-1B worker), there is no need for the U.S. sponsor to fill out an Affidavit of Support for you.
While the US law permits sponsorship for the visitor visa, the applicant must prove the authenticity of the relationship with the sponsor. For family members, birth certificate or marriage certificate to show must be presented.
A letter of invitation or Affidavit of Support is not needed to apply for a visitor visa. If you choose to bring a letter of invitation or Affidavit of Support to your interview, please remember it is not one of the factors used in determining whether to issue or deny the visa.
Proof of Sponsor's Funds Bank statement or other financial documents including deposits, date the account opened, total amount deposited for the past year, and present balance. List containing serial numbers and denominations of bonds and names of record owner(s).
864, Affidavit of Support Under Section 213A of the NA. Most familybased immigrants and some employmentbased immigrants use this form to show they have adequate means of financial support and are not likely to rely on the U.S. government for financial support.
Other individuals who may need Form I-134 are those coming to the United States as a tourist or on a visitor visa. The I-134 affidavit of support is an eight-page document that is filled out by your U.S. sponsor.
An Affidavit of Support, also called the Form I-864, is a document an individual signs to accept financial responsibility for the applicant who is coming to live in the United States.
The petitioner and any other financial sponsors can download the forms at cis, and can use the chart on ”Step 4: Affidavit of Support” page to learn which forms are required.
Complete Affidavit of Support Form You, the sponsor (petitioner), must complete Form I-864EZ. See tips for completing I-864EZ. You, the sponsor (petitioner), must complete Form I-864. You, the sponsor (petitioner), and the joint sponsor must complete Form I-864.
To write a visa support letter: State your relationship with the applicant, explain the purpose of the visit, and provide a duration of stay, accommodations, financial responsibility, and personal details. Attach relevant documents. Sign and date the letter.