The I-129 package was missing something required from the start, such as the certified Labor Condition Application for H-1B, a signature, or a required supplement for the category. The employer must send it before the deadline. Missing it can lead to denial of the petition.
In general, on any form:
USCIS mailed a notice asking for evidence that should have come with your filing. Something required was missing from the start, such as a document, photo or signature. The notice says what to send and the deadline. Answering on time keeps your case moving.
The I-129 package was missing something required from the start, such as the certified Labor Condition Application for H-1B, a signature, or a required supplement for the category. The employer must send it before the deadline. Missing it can lead to denial of the petition.
Initial evidence is something required with the original filing. An RFE asks for extra proof the officer needs.
Send what you have with an explanation and proof you tried to get the rest.
Usually yes. Not responding by the deadline often leads to denial.
The typical range published by USCIS is 10 to 11 months. It depends on the office and your case; it is not an exact date.
AI-assisted explanation based on the official USCIS status, reviewed by CaseAlerta. Not legal advice. Times are typical ranges, never an exact date.