Generally, you will need to prepare the following documents:

1. Form I-130, Petition for Alien Relative, with all required documentation;

2. A copy of your birth certificate showing your name, or your U.S. passport;

3. If you are a citizen and were not born in the United States, a copy of either

a. your Certificate of Naturalization or Citizenship or
b. your U.S. passport

4. Two completed and signed G-325A's (one for you and one for your spouse);

5. A copy of your marriage certificate;

6. A copy of any divorce decrees, death certificates, or annulment decrees that would show that any previous marriage entered into by you or your spouse was ended legally; and

7. Two recently taken color photos of you and two of your spouse.