9 CFR § 590.404
Erasures or alterations made on official certificates
November 6, 2020
Link to an amendment published at 85 FR 68673, Oct. 29, 2020.
Erasures or alterations shall be initialed by the issuing inspector on the original certificate and any copy thereof. All certificates made useless through clerical error or otherwise and all certificates canceled for whatever cause shall be voided and initialed and the original and all other copies shall be forwarded as prescribed by the Administrator.