There is a remedy for that but it is not cheap. 

Soon after, mold was found in one of the self-storage units, requiring expensive remediation.

Does the contract require arbitration or remediation?

Compliance states there is no way to remediate this unless a new file is created. lender credit is 6900 which is the seller concession and no COC can be issued for “incorrect” lender credits.

The scope of work included:•Interior: Major pest remediation that took 3-4 weeks.

The scope of work included:•Interior: Major pest remediation that took 3-4 weeks.

However, I don't think they have resources to investigate these sorts of things and that policies exist not to prosecute them because they are likely small claims (under $10k in my state) so that the aggrieved person can seek a remedy themselves in civil court.

The owner can designate a host who shall be responsible, and authorized, to act on the owner's behalf to promptly remedy any violation of these standards or the permit.

You have varied answers above, but the answer is that in North Carolina, the seller is NOT required to disclose a problem that has been fully remedied.

If you had a mold remediation company do all the work and mitigation, send the threatening party the reports and clearance.