Submitting Immigration Forms Guide

Summary

Form I-864 (Affidavit of Support) and civil documents should be submitted first. After receiving a notification from the NVC, complete Form DS-260. The DS-260 and I-864 forms arent typically submitted together. The signature on Form I-864 must be hand-written, and you can scan the signed page separately. Consult an immigration attorney for personalized guidance.

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i thought it had to be at the same time
It's a common misconception, but the DS-* and I-* forms aren't typically submitted together. Once the NVC acknowledges receipt of I-* and civil documents, they'll instruct you to submit the DS-*. Seek advice from an immigration attorney for further clarification.
how do i ask an attonery this question
You can ask an attorney this question as follows: "Is it necessary to submit Forms I-* and DS-* at the same time or should I submit the I-* first and then complete the DS-* after receiving a notification from the National Visa Center?"
for page * on the I864 does it have to be a seperate document scanned so i can physically sign my signature and the rest of the document has to be typed?
According to USCIS guidelines:
*. You can fill out the form electronically, except for the signature.
*. The signature must be hand-written.
You can scan the signed page separately and include it with the rest of the document.