(1) At a minimum, the following records must be kept at the cottage food operation:

(a) Copies of all food handler worker cards;

(b) Copy of the master business license;

(c) All cottage food product recipes that are allowed by the department and listed on the current cottage food operation permit;

(d) The water testing records if required by this chapter;

(e) Documentation that ingredients were obtained from approved sources; and

(f) Documentation of gross sales and any off-site sale locations.

(2) All records required under subsection (1) of this section must be:

(a) Maintained so that the information they intend to convey is clear and understandable;

(b) Available at the operation and available to the department inspectors upon request; and

(c) Retained at the operation for six months after the expiration of the permit.