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INDIAN RIVER COUNTY, FLORIDA <br />NOTES TO FINANCIAL STATEMENTS - CONTINUED <br />Year Ended September 30, 1992 <br />1. Summery of Significant Accounting Policies - Continued: <br />C. Measurement Focus - Continued <br />Account Groups - The General Fixed Assets Account Group and the General Long - <br />Term Debt Account Group are concerned only with the measurement of financial <br />position. They are not involved with the measurement of results of opera- <br />tions. Fixed assets, which are not used in Proprietary Fund operations, are <br />accounted for in the General Fixed Assets Account Group. Depreciation is not <br />charged on the general fixed assets. Long-term debts, which are not intended to <br />be financed through the Proprietary Funds, are accounted for in the General <br />Long -Terâ–  Debt Account Group. <br />D. Basis of Accounting - Basis of accounting refers to when revenues and expendi- <br />tures or expenses are recognized in the accounts and reported in the financial <br />statements. Basis of accounting relates to the timing of the measurements made, <br />regardless of the measurement focus applied. <br />All Governmental Funds are accounted for using the modified accrual basis of <br />accounting. Under the modified accrual basis, revenues are recognized when they <br />become measurable and available as net current assets. Primary revenues, <br />including taxes, intergovernmental revenues, charges for services, rents and <br />interest are treated as susceptible to accrual under the modified accrual <br />basis. Other revenue sources are not considered measurable and available, and <br />are not treated as susceptible to accrual. Expenditures are generally recog- <br />nized under the modified accrual basis of accounting when the related fund <br />liability is incurred. An exception to this general rule is that principal and <br />interest on general long-term debt is recognized when due. <br />Proprietary Funds - The Enterprise and the Internal Service Funds are accounted <br />for using the accrual basis of accounting. Under this method, revenues are <br />recognized when they are earned and expenses are recognized when they are <br />incurred. Unbilled utility receivables are recorded at year end. <br />Fiduciary Funds - The Expendable Trust Fund and the Agency Funds are accounted <br />for on the modified accrual basis. <br />E. Cash and Investments - The County maintains a cash and investment pool that is <br />available for use by all funds. This pool has deposits, and all highly liquid <br />investments (including restricted assets) with maturities of ninety days or less <br />when purchased. In addition longer-term investments are held by several of the <br />County's funds. Pooled cash is classified as "Cash and Cash Equivalents" and <br />pooled investments are combined with other separate investments and classified <br />as "Investments" in the financial statements. Cash and cash equivalents of <br />Constitutional Officers are maintained in separate accounts, but have been <br />combined with the Board's cash and cash equivalents for financial statement <br />purposes. <br />B-19 <br />