IRS Tax Forms  
Publication 17 2001 Tax Year

Introduction

This chapter discusses how to figure your basis in property. It is divided into the following sections.

  • Cost basis.
  • Adjusted basis.
  • Basis other than cost.

Basis is the amount of your investment in property for tax purposes. Use the basis of property to figure gain or loss on the sale, exchange, or other disposition of property. Also use it to figure deductions for depreciation, amortization, depletion, and casualty losses. You must keep accurate records of all items that affect the basis of property so you can make these computations.

If you use property for both business and personal purposes, you must allocate the basis based on the use. Only the basis allocated to the business use of the property can be depreciated.

Your original basis in property is adjusted (increased or decreased) by certain events. If you make improvements to the property, increase your basis. If you take deductions for depreciation or casualty losses, reduce your basis.

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