Mich. Comp. Laws § 169.243
An expenditure shall not be made, other than for overhead or normal operating expenses, by an agent or an independent contractor, including an advertising agency, on behalf of or for the benefit of a person unless the expenditure is reported by the committee as if the expenditure were made directly by the committee, or unless the agent or independent contractor files a report of an independent expenditure as provided in section 51. The agent or independent contractor shall make known to the committee all information required to be reported by the committee. A person who knowingly is in violation of this subsection is guilty of a misdemeanor and shall be punished by a fine of not more than $1,000.00, or imprisoned for not more than 90 days, or both, and if the person is other than an individual the person shall be fined not more than $10,000.00.
MCL 169.243