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Oil & Gas/Mining Quarterly Due Date: Jul-Sep 2026

Jul-Sep 2026 Quarterly Due DateFor 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).