Code of Alabama — Title 40 (Revenue and Taxation)
Ala. Code § 40-18-16
Depreciation
# (a)
Basis for depreciation. The basis upon which exhaustion, wear and tear, depreciation and obsolescence are to be allowed shall be such reasonable allowance as may be determined by the Department of Revenue on the adjusted basis provided in Section 40-18-6 for the purpose of determining the gain or loss upon sale or other disposition of such property.
# (b)
Basis for depletion.
# (1)
GENERAL RULE. The basis upon which depletion is to be allowed shall be such reasonable allowance as may be determined by the Department of Revenue on the adjusted basis provided in Section 40-18-6 for the purpose of determining the gain or loss upon the sale or other disposition of such property, except as provided in subdivision (2) of this subsection.
# (2)
AMOUNT. In the case of oil and gas wells, the allowance for depletion shall be 12 percent of the gross income from the property during the taxable year, excluding from such gross income an amount equal to any rents or royalties paid or incurred by the taxpayer in respect to the property. Such amounts shall not exceed 50 percent of the net income of the taxpayer, computed without allowance for depletion, from the property, except that in no case shall the depletion allowance be less than the amount allowable under federal income tax law. In the case of leases the deductions allowed by this paragraph shall be equitably apportioned between the lessor and the lessee.
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In this chapter (40 sections)
- 40-18-7 · Gain or Loss - Determination of Amount
- 40-18-8 · Gain or Loss - Recognition
- 40-18-8.1 · Gain or Loss - Recognition of Gains Invested in Opportunity…
- 40-18-9 · Gain or Loss - Optional Method for Returning as Income…
- 40-18-11 · Inventory
- 40-18-12 · Net Income of Individuals - Defined
- 40-18-13 · Computation of Income
- 40-18-14 · Adjusted Gross Income of Individuals. (Amended by Act…
- 40-18-14.1 · Deferred Compensation Plans
- 40-18-14.2 · Adjusted Gross Income
- 40-18-14.3 · Gross Income - Discount and Interest
- 40-18-15 · Deductions for Individuals Generally. (Amended by Act…
- 40-18-15.1 · Net Income Taxable Income Defined - Generally
- 40-18-15.2 · Net Operating Loss
- 40-18-15.3 · Deductions for Health Insurance Premiums
- 40-18-15.4 · Deductions for Certain Retrofitting or Upgrades to Homes -…
- 40-18-15.5 · Deductions for Certain Retrofitting or Upgrades to Homes -…
- 40-18-15.6 · Deductions for Contributions Made to Health Savings…
- 40-18-15.7 · Optional Increased Standard Deduction for Qualified Persons
- 40-18-15.8 · Deductions for Contributions to Qualifying Alabama…
- 40-18-16 · Depreciation
- 40-18-17 · Items Not Deductible
- 40-18-18 · Amortization of War or Emergency Facilities
- 40-18-19 · Exemptions - Generally. (Amended by Act 2026-603)
- 40-18-19.1 · Exemptions for Severance, Unemployment Compensation, Etc
- 40-18-19.2 · Exemption of Certain Death Benefit Payments for Peace…
- 40-18-19.3 · State Income Tax Credit for the Use of Personal Motor…
- 40-18-20 · Exemptions - Military Retirement Benefits
- 40-18-21 · Credits for Taxes Paid on Income from Sources Outside the…
- 40-18-21.1 · Annual Report of Credits Claimed for Taxes Paid to Foreign…
- 40-18-22 · Taxpayers Engaged in Multistate Business - Allocation and…
- 40-18-23 · Taxpayers Engaged in Multistate Business - Option of Certain…
- 40-18-24 · Taxation of Subchapter K Entity
- 40-18-24.1 · Composite Return and Payment by Nonresident Owner of…
- 40-18-24.2 · Taxation of Pass-Through Entities
- 40-18-24.3 · Taxation on Distributive Share of Interest, Dividends,…
- 40-18-24.4 · Alabama Electing Pass-Through Entity Tax Act
- 40-18-24.5 · Refundable Credit for Certain Owners, Members, Partners,…
- 40-18-25 · Estates and Trusts
- 40-18-25.1 · Estates and Trusts - Exemptions