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.