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AFMD-81-115 1 (1981-09-30)

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                    COMPTROLLER GENERAL OF THE UNITED STATES
                            WASHINGTON. D.C. 20548



       6-204925                          SEP 30 198'



       Tne Hohoraole Marion S. Barry, Jr.
       Mayor of the District of Columbia

       Dear Mayor Barry:                                116968

             Subject: Approval of the design of the District
                       of ColumDia government's Water and Sewer
                       Billing System  (AFMD-81-115)

             It is my pleasure to approve tne system design for
       the District of Columbia government's Water and Sewer
       Billing System, as requested in the City Administrator's
       letter of September 25, 1981. The design is adequate
       and conforms in all material respects to the accounting
       principles and standards statement.

            Tfe approved system design shall be deemed to ne a
       part of the District of Columbia government's financial
       planning, reporting, accounting, control, and operating
       procedures, as provided in Public Law 94-399, dated
--     September 4, 1976.

             Tnis system is limited to the billing and collection
       cycle. Tnis cycle includes establishing and maintaining
       customer accounts, meter reading, billing, and processing
       payments, reports, and accounts receivable. The system
       interfaces with the Financial Management System, the Dis-
       trict government's central accounting system.

             In evaluating the system design we looked at the
        automated data processing functions primarily to deter-
        mine their adequacy as to internal controls, audit
        trails, data integrity, and consistency witn accounting
        specifications.

             To maintain an approved status, any planned changes
        in the system design 'should De discussed with our repre-
        sentatives and, if deemed significant, submitted formally
        for approval.

             We suggest that your internal auditors periodically
        review the system in operation to assure that it is
        operating as prescribed. At some future date, we will

                                                        (931118)