Oregon Tax Consultants Practice Exam 2026 – Complete Study Resource

Depletion in tax terms refers specifically to the process of allocating the cost of extracting natural resources, such as minerals or timber, over the period they are extracted. This is especially applicable for businesses involved in industries like mining, oil and gas, or logging, where the resource being extracted diminishes over time as it is removed from the earth.

The reason this concept applies to investments in minerals or standing timber is that these assets are not infinite; their value decreases as they are harvested. The IRS allows for depletion deductions to account for the reduction in a resource's value, similar to how depreciation works for tangible property. This deduction helps businesses recover the costs associated with their investments in these depleting resources, thereby reducing their taxable income.

While the other options touch on relevant financial areas, they do not appropriately capture the definition of depletion in the context of taxation, which specifically pertains to the gradual reduction of value of retractable resources like minerals and timber.