9 C.F.R. § 381.110 Erasures or alterations made on certificates.
Title 9 - Animals and Animal Products
Erasures or alterations not initialed by the issuing inspector shall not be permitted on any official certificate or any copy thereof. All certificates rendered useless through clerical error or otherwise and all certificates canceled for whatever cause shall be voided and initialed, and one copy shall be retained in the inspector's file; and the original and all other copies shall be forwarded to the appropriate program supervisor.
Title 9: Animals and Animal Products
PART 381—POULTRY PRODUCTS INSPECTION REGULATIONS
Subpart M—Official Marks, Devices, and Certificates; Export Certificates; Certification Procedures
§ 381.110 Erasures or alterations made on certificates.