The licensing requirement under s. 84.30(10), Stats., applies to persons who erect or maintain on-property signs as well as to persons who erect or maintain off-premises advertising signs. Persons who erect or maintain signs for the purpose of advertising their own business are not subject to the licensing requirement. The licensing requirement does not apply to persons who erect 2 or less signs during the calendar year. Any person who violates the licensing requirement shall be required to forfeit not less than $500 nor more than $1000. Violations shall be referred to the proper district attorney for prosecution.
Wis. Admin. Code Department of Transportation Trans 201.03