asset depreciation range
asset-depreciation range. Tax. The IRS’s range of depreciation lifetimes allowed for assets placed in service between 1970 and 1980 and for assets depreciated under the Modified Accelerated Cost Recovery System under the Tax Reform Act of 1986. — Abbr. ADR. See ACCELERATED COST RECOVERY SYSTEM. [Cases: Internal Revenue 3476. C.J.S. Internal Revenue §§ 230, 234, 239, 249.]