(1) Wages includes the following:
(c) amounts payable for overtime;
(d) amounts payable at penalty rates;
(e) other amounts that the governing instrument for the relevant employment identifies separately and makes payable regularly.
(2) However, the following are not wages :
(a) discretionary payments (such as bonuses);
(c) payments of expenses relating to travel or relocation.
(3) Amounts that are not payable on an ongoing basis are not wages , unless they are amounts described in subsection (1).