P-29, r. 1 - Regulation respecting food

Full text
11.11.2. Invoices and other supporting documents may serve as a record provided they contain the same information as that required by section 11.11.1.
The records must be arranged in alphabetical order and retained for at least 12 months from the date of the last entry. The same applies to invoices and other supporting documents, which must be retained for at least 12 months from the date they are produced or received.
The records, invoices or other supporting documents for dairy products that can be stored for longer than 12 months must be retained for 24 months.
Records, invoices and other supporting documents must be legible and be available on the operating premises. They must be produced at the request of an authorized person.
O.C. 741-2008, s. 15.