TN HB2639

Imposes a severance tax in Henry County on the extraction of clay, titanium, and other minerals (excluding materials already taxed under state coal and oil/gas laws)

Sets the tax rate at the maximum per-ton rate authorized under TCA § 67-7-203, with automatic increases if the state maximum rises, but locks in the highest previous rate if the state reduces or repeals the maximum

Requires the Tennessee Department of Revenue to administer and collect the tax, with revenues remitted quarterly to the Henry County Trustee

Dedicates all revenue exclusively to the county road fund for construction, maintenance, and repair of county roads

Requires approval by a two-thirds vote of the Henry County legislative body before taking effect