Iowa Depreciation Schedule refers to a predetermined method adopted by the state of Iowa for the calculation and deduction of depreciation expenses allowed on various tangible assets for income tax purposes. This schedule helps individuals, businesses, and organizations determine the loss in value of their assets over time, allowing for the proper allocation of expenses over the useful life of the assets. The Iowa Depreciation Schedule follows guidelines provided by the Internal Revenue Service (IRS) and adheres to the Modified Accelerated Cost Recovery System (MARS). Under MARS, assets are divided into different classes based on their type, with each class having a specific depreciation period. By assigning assets to the appropriate class, taxpayers can apply the correct depreciation rates and methods to calculate their annual depreciation deductions. The State of Iowa recognizes various types of depreciation schedules, including: 1. General Depreciation System (GDS): This depreciation method is commonly used for most tangible assets, such as buildings, machinery, equipment, and vehicles, excluding specific assets covered under the Alternative Depreciation System (ADS). 2. Alternative Depreciation System (ADS): ADS is used for assets that do not qualify for GDS, including property used for residential purposes, tax-exempt use property, and certain types of tax shelters. Generally, ADS has longer recovery periods and a straight-line depreciation method. 3. Section 179 Depreciation: Iowa also allows businesses to take advantage of Section 179 of the Internal Revenue Code, which permits immediate expensing of qualifying assets up to a certain dollar limit. This provision enables businesses to deduct the full cost of qualifying property in the year it is acquired, rather than spreading the deduction over multiple years. It is important for individuals and businesses in Iowa to understand the specific guidelines and rules outlined by the state regarding depreciation schedules. The Iowa Depreciation Schedule aims to provide clarity and consistency in calculating depreciation deductions, ensuring that taxpayers accurately reflect the diminishing value of their assets over time while offsetting their taxable income effectively.