The creditable compensation of fee officers who receive salary, fees, maintenance, or other perquisites as a result of their official duties is the gross amount received decreased by the cost of salary paid deputies and clerks and the cost of office supplies and other official expenses.
Creditable compensation of fee officers
KRS § 61.541, under GENERAL PROVISIONS AS TO OFFICES AND OFFICERS -- SOCIAL SECURITY FOR PUBLIC EMPLOYEES -- EMPLOYEES RETIREMENT SYSTEM.
KRS § 61.541