1. For purposes of this section, “public retirement system” means the public safety peace officers’ retirement system created in chapter 97A, the Iowa public employees’ retirement system created in chapter 97B, the statewide fire and police retirement system created in chapter 411, or the judicial retirement system created in chapter 602.
 2. Effective with the fiscal year beginning July 1, 2008, a public retirement system shall include in each actuarial valuation or actuarial update required to be conducted by that public retirement system the following additional information, all as determined by using the entry age normal actuarial cost method:

 a. The actuarially required contribution rate for the public retirement system which is equal to the normal cost rate plus the contribution rate necessary to amortize the unfunded actuarial accrued liability on a level percent of payroll basis over thirty years.
 b. The normal cost rate for the public retirement system which shall be determined for each individual member on a level percentage of salary basis and then summed for all members to obtain the total normal cost.