Miscellaneous Mines Net Proceeds Tax

Overview

All miscellaneous mineral mines must file a Miscellaneous Mines Net Proceeds return.

The Miscellaneous Mines Net Proceeds Tax applies to:

  • Gems
  • Vermiculite
  • Other valuable minerals

Tax Rates

Local mill levies apply to the taxable value of the minerals produced.

Formula

Taxable Value × Mill Levies = Tax Owed

Determining Taxable Value

The taxable value is 100% of the annual net proceeds, except for:

  • Talc
  • Vermiculite
  • Quicklime
  • Rougher garnet concentrate

Formula

For these four minerals, the taxable value is calculated as:

Tons Produced × Set Price = Taxable Value

Exemptions

  • Mines producing industrial garnets, travertine, and building stones are exempt from the Mines Net Proceeds Tax on their first 1,000 tons of production.
  • Mines producing more than 1,000 tons of industrial garnets are liable for all production in the year.
  • Sand and gravel are exempt from the Mines Net Proceeds tax.

Reporting and Payment Options

File through our TransAction Portal (TAP).

Local county treasurers collect Miscellaneous Mines Net Proceeds Tax. Contact your county for more information.

Revenue Distribution

Local county treasurers distribute the MMN Tax to the appropriate tax jurisdiction based on the relative mills levied by all jurisdictions levying taxes in the area.

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