North Dakota Administrative Code Title 81 — Tax Commissioner
N.D. Admin. Code § 81-12-01-11 — Recordkeeping - Items provided to retailers
Each manufacturer or wholesaler of alcoholic beverages shall maintain on file the previous calendar year's records of all equipment, supplies, services, and retailer advertising specialty and product display items furnished to retailers. The previous calendar year's records may be discarded when a next calendar year's records are complete and available for inspection. Records must be made available for inspection by the state tax commissioner upon request. The records must contain the: 1. Name and address of the retailer receiving the equipment, supplies, services, and retailer advertising specialty and product display items; 2. Item or items furnished; 3. Date item or items furnished; 4. Manufacturer's or wholesaler's cost of the item or items furnished as determined by the manufacturer's invoice price; and 5. Charges to the retailer for the item or items.
Source: official text