Wisconsin Administrative Code — DOR Tax Chapters
Wis. Admin. Code § Tax 9.61 — Warehousing of cigarettes
Out-of-state persons, firms or corporations having permits to engage in the sale of cigarettes in the state of Wisconsin may warehouse either stamped or unstamped merchandise in properly licensed warehouses located in the state of Wisconsin. No out-of-state person, firm or corporation may affix stamps to merchandise while it is stored in the licensed warehouse.
Source: official text