20 C.F.R. § 655.431 – Notice of Deficiency.

(a) Notification. If the CO determines the CW-1 Application for Temporary Employment Certification contains errors or inaccuracies, or does not meet the requirements set forth in this subpart, the CO will issue a NOD to the employer and, if applicable, the employer's attorney or agent.
(b) Notice content. The NOD will:
1. (1) State the reason(s) the CW-1 Application for Temporary Employment Certification fails to meet the criteria for acceptance;
2. (2) Offer the employer an opportunity to submit a modified CW-1 Application for Temporary Employment Certification within 10 business days from the date of the NOD, and state the modification that is required for the CO to issue a NOA; and
3. (3) State that if the employer does not comply with the requirements of § 655.432 for submitting a modified application, the CO will deny the CW-1 Application for Temporary Employment Certification.