Maine Revised Statutes Title 28-A. Liquors § 751. Retail licensee to keep records

A. The date of all purchases;

B. The actual prices paid;

C. The fact that the licensee paid by cash or check for all liquor bought by the licensee at the time of or before delivery of the liquor as evidenced by invoices, which must be retained by the licensee;

D. The name and address of every person from whom the liquor was purchased; and

E. In the case of an on-premises licensee, records of food purchases.

A. Malt liquor, wine and soft drinks may be listed on the same wholesale licensee's invoice if each product is separately listed.