(2) For the purpose of the actuarial computation required under ORS 238.225, the board shall separately establish the liability of participating public employers for police officers and firefighters under the pension program and shall require that public employers that employ police officers and firefighters who are members of the pension program make contributions for those employees based on the liability established under this subsection. [2003 c.733 §24; 2005 c.808 §17]