The I-600A is the first form you will fill out with the United States Citizenship and Immigration Services (USCIS). This form is completed before an orphan is located or has been identified for an adoption by you. Do NOT confuse this form with the I-600 form which is the Petition to Classify Orphan as Immediate Relative.
Guidelines Per the I-600A Form
Eligibility
You must be a U.S. Citizen. In the case of a married couple one of the spouses must be a U.S. Citizen.
The prospective parent is 25 years of age or older; or one of the partners within a marriage is 25 years of age or older.
There are several items that you will need to send with this form. For more information see, the following article on the I-600A.