A written meet and confer agreement ratified under this chapter preempts, during the term of the agreement and to the extent of any conflict, all contrary state statutes, local ordinances, executive orders, civil service provisions, or rules adopted by this state or a political subdivision or agent of this state, including a personnel board, civil service commission, or home-rule municipality, other than a statute, ordinance, executive order, civil service provision, or rule regarding pensions or pension-related matters.