Normal Cost Law and Legal Definition
According to 50 USCS § 2001 [Title 50. War and National Defense; Chapter 38. Central Intelligence Agency Retirement and Disability; Definitions], the term normal cost means "the level percentage of payroll required to be deposited in the fund to meet the cost of benefits payable under the system (computed in accordance with generally accepted actuarial practice on an entry-age basis) less the value of retirement benefits earned under another retirement system for government employees and less the cost of credit allowed for military service."
