Wis. Stat. § 12.08: Denial of government benefits.

No person may, directly or indirectly, cause any person to make a contribution or provide any service or other thing of value to or for the benefit of a committee registered under ch. 11, with the purpose of influencing the election or nomination of a candidate to national, state, or local office or the passage or defeat of a referendum by means of the denial or threat of denial of any payment or other benefit of a program established or funded in whole or in part by this state or any local governmental unit of this state, or a program which has applied for funding by this state or any local governmental unit of this state.