A professional who compiles and verifies credit-card data from vouchers and other records and computes charges and payments due to establishment to keep records of hotel credit-card transactions. Responsibilities include:

• Compares charges on vouchers with audit tape to detect errors and corrects faulty vouchers.
• Sorts and combines vouchers and other credit transaction records by individual card-issuing firm.
• Computes totals, discounts, net charges, and amounts due, using calculator and adding machine, and posts to account journals.
• Prepares invoices for payment by card-issuing firms.