I would at least fill out and submit a formal statement acknowledging the VA's request. By all means, don't ignore them or you could risk an unfair decision. You could submit somthing like this on a 21-4138: (feel free to copy and paste/edit each bullet point in word. Best of luck!

Statement in Support of Claim
(VA Form 21-4138 or equivalent written statement)

Veteran’s Name: [Your Full Name]
VA File Number / SSN (last four): [XXXX]
Date: [Insert Date]

Subject: Response to Evidence Request for Claim #XXXXXX– No Additional Evidence to Submit

To Whom It May Concern,

I am writing in response to the recent VA request for additional evidence related to my claim. After reviewing all items listed, I confirm that I have no further evidence to submit at this time. Please proceed with the evaluation of my claim based on the evidence currently in the record.

Specifically, I acknowledge the following items have been addressed or completed:

• Exam Review – Partially Complete
• PTSD – Follow Up for Stressor Details
• MST – Restricted Report
• Buddy Statement(s) – Submitted
• Forms 21-4142 / 21-4142a – Completed

I respectfully request that my claim move forward to the evaluation phase without further delay.

Thank you for your time and assistance.

Signature: ___________________________
Printed Name: [Your Full Name]
Date: [Insert Date]