20 CFR § 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) State the reason(s) the CW-1 Application for Temporary Employment Certification fails to meet the criteria for acceptance;
(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