Employees in a wide spectrum of occupations are needed to perform these services. This means they manage the administration of the policies and procedures of the agency. The codes for each level, such as General Clerk I, General Clerk II, and General Clerk III, utilize the fifth digit to differentiate one from the other. Within the Nursing Assistant Category, the Applicant will have to determine if work performed is at the I, II or III level. The classification system developed is structured on a three-tier arrangement: category, occupation, and level of difficulty. 5) The contracting officer transmits the Wage and Hour decision to the contractor. The classifications and wage requirements listed are identical. [CDATA[/* >