20 CFR §655.539
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
An attestation is filed and effective as of the date it is accepted and signed by the Certifying Officer. Such attestation is valid for the 12-month period beginning on the date of acceptance for filing, unless suspended or invalidated pursuant to § 655.540 of this part. The filed attestation expires at the end of the 12-month period of validity.