Oil & Gas/Mining Quarterly Due Date: Jul-Sep 2026
December 1
Jul-Sep 2026 Quarterly Due Date
For your tax accounts with quarterly filing and payment requirements for the tax types listed below:
Tax Types:
• Oil & Gas Conservation (OGC)
Quarterly Prepayment Only:
• Mining Severance (MIN)
• Oil & Gas Severance (OGS)
Note: Quarterly prepayments for MIN and OGS are due if the prior year tax exceeded $3,000.
File and pay online using Taxpayer Access Point (TAP).