The actuarial cost of the membership service to be credited shall be determined by the actuary for the system based on the age of the member in full years as of the date the claim for service credit is made, the investment yield rate assumption in effect as of the date the claim for service credit is made, the retirement age eligibility requirements and retirement allowance provisions applicable to the member, and other actuarial assumptions adopted by the board in effect as of the date the claim for service credit is made.
The deductions from compensation or lump sum payment shall be paid to the system and shall be credited to the member's individual account and become part of the member's accumulated contributions.
HRS § 88-59