Wisconsin Administrative Code — DOR Tax Chapters
Wis. Admin. Code § Tax 9.46 — Purchases by the retailer
Tax 9.46(1) (1) No firm, person or corporation engaged in the retail sale of cigarettes may purchase cigarettes except from a manufacturer, distributor or jobber who holds a permit from the department.
Tax 9.46(2) (2) All retailers selling cigarettes shall retain invoices covering all purchases of cigarettes. The invoices shall be retained on the licensed premises in groups covering a period of one month each, and shall be available for inspection at all reasonable times by any representative of the department.
Source: official text