A state employee may


(1) be a member of a national, state, or local political party;


(2) take part in a political campaign;


(3) express political opinions; however, while engaged on official business, a state employee may not display or distribute partisan political material;


(4) register party preference;


(5) serve as a voting or nonvoting delegate to a party convention;


(6) be appointed, nominated, or elected to nonpartisan public office in a local government unit; and


(7) make contributions to a political party or a candidate for public office.