(a) Food processing and production information shall be entered on forms, approved by the commissioner, which shall include the product processed, the code number, the size of the container, the approximate number of containers per coding interval and other appropriate processing data required by the commissioner.

(b) Every operator of a processing plant shall keep a record of every transaction of the sale and distribution of potentially hazardous foods. Such records, in addition to the names and addresses of the persons or firms involved in the transaction, shall contain the code numbers of each lot involved.

(c) All records, formulas and related data shall be legibly written in English and kept for the commissioner's confidential review for two years, at the processing facilities, and shall be available for examination at all reasonable hours by designated employees of the department.