The term involvement means the right or ability to participate, whether or not exercised, including by doing any of the following:

(a) Providing input into a final decision;

(b) Consulting with or providing advice to a decisionmaker;

(c) Exercising special approval or veto rights;

(d) Participating on a committee with decisionmaking authority; or

(e) Advising on the appointment officers or selecting employees who are engaged in substantive decisionmaking.