Accelerated Cost Recovery System (ACRS) A system of depreciation introduced by the Economic Recovery Tax Act of 1981. ACRS depreciation is based on recovery periods instead of useful life. These periods were predetermined by the IRS. Investopedia Says: The modified accelerated cost recovery system (MACRS) replaced ACRS for property placed into service after 1986. Related Terms: Adjusted Basis Adjusted Cost Base Declining Balance Method Depreciation Internal Revenue Service - IRS Modified Accelerated Cost Recovery System - MACRS Tax Reform Act of 1986 Useful Life |