The inspector shall make a memorandum which shows the number, sex, brands, or marks on each animal which is inspected, and the names of the owner or claimant, consignor, and consignee.

The memorandum of the inspection shall be retained for record purposes by the inspector for at least two years after the date of the inspection.

The bureau shall maintain for a period of five years a file of brand inspection certificates in such manner as to disclose the number of cattle which have been inspected.