Verifies and enters details of costs, charges or other similar bookkeeping items to correct accounts or classifications; Receives, receipts and deposits cash collections of various kind, and maintains appropriate records; consults or studies specific books, manuals, catalogs or other sources in order to obtain desired information; Performs numerous types of computations such as discount, interest, ratio and percentage; determines rates, costs, amounts or other specifications for various types of items, selecting and using tables or classification data; Explains details of services, methods or policies; prepares requisitions or purchase orders, and may place orders for supplies, materials, equipment or contract services; processes invoices and may prepare vouchers for approval to authorize disbursement; May maintain inventory control records; Reviews the accounts clerical work of others, calling attention to use of incorrect procedures or methods and to incorrect entries or results; Composes correspondence requiring specific knowledge of methods, procedures, policies or other information; determines the general ledger accounts, journals and subsidiary accounts affected and the debit and/or credit entries to be made; summarizes transactions having a like effect and preparing control sheets or other posting documents reflecting the debit and/or credit entries to be made; Totals entries at specified intervals and takes a trial balance of debits and credits; determines corrective entries required to bring accounts into balance; closes and reconciles accounts; May supervise one or more lower-level account clerk or other subordinates. Experience Requirement: Except for the substitutions provided in this specification, applicants must have had work experience of the kind and quality described below and in the amounts shown in the following table: Class TitleGeneral Experience (years)Specialized Experience (years)Total (years) Account Clerk I1/201/2 Account Clerk II1/211-1/2 Account Clerk III1/22 2-1/2 Some Account Clerk III positions require that applicants possess supervisory aptitude.