Prohibits the following from making contributions, to certain candidates, that are reportable under the fair campaign practices act: (1) A person that engages in collective bargaining on behalf of its membership with a local agency;

(2) A person who currently holds, has held, or is bidding or competing for a contract of at least one million dollars with the state, a state office, or a state agency since the previous gubernatorial election;

(3) A person who currently holds, has held, or is bidding or competing for a contract of at least one million dollars with the state senate or house of representatives since the previous gubernatorial election; or

(4) A person receiving the notice mentioned below from the department of revenue since the previous gubernatorial election.

Requires the department of revenue to notify a person that claims a certain individual tax preference to inform the taxpayer that it is prohibited from making contributions to a candidate for state or legislative office until after the next gubernatorial election.

Provides for submission of this act to a vote of the people.