Reports, appeals, estimated liability

Wis. Stat. § 70.38
in effect
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(1) Reports. On or before June 15, persons mining metalliferous minerals shall file with the department a true and accurate report in the form the department deems necessary to administer the tax under s. 70.375. The books and records of the person shall be open to inspection and examination to employees of the department designated by the secretary and to the state geologist. (1m) Estimated liability. Upon written request and for sufficient reason shown, the department shall allow a person subject to the tax under s. 70.375 to file, on or before June 15, a net proceeds tax return and to pay that tax based upon estimated tax liability. On or before September 15, that person shall file a final report and pay any additional tax due along with interest at the rate of 1 percent per month from June 15 until the date of payment. If the additional tax exceeds 10 percent of the person’s tax under s. 70.375 for the previous year, the penalty and interest under s. 70.39 (1) apply. If the final report indicates that the person overpaid the person’s liability, the department shall refund the overpayment. (2) Combined reporting. If the same person extracts metalliferous minerals from different sites in this state, the net proceeds for each site for which a permit has been issued under s. 293.49 or 295.58 shall be reported separately for the purposes of computing the amount of the tax under s. 70.375 (5). (4) Appeals. (a) Any person feeling aggrieved by the assessment notice shall, within 60 days after the receipt of the notice, file with the department a petition for redetermination setting forth the person’s objections to the assessment. The person may request an informal conference with representatives of the department prior to September 15. The request shall be indicated in the petition. The secretary shall act on the petition on or before October 1. On or before November 1, the person shall pay the amount determined by the secretary pursuant to the secretary’s action on the petition. If the person is aggrieved by the secretary’s denial of the petition the person may appeal to the tax appeals commission if the appeal is filed with the commission on or before December 1. (b) Determinations of the tax appeals commission shall be subject to judicial review under ch. 227.
Source: WI Statutes (Official Site)URL: https://docs.legis.wisconsin.gov/document/statutes/70.38Fetched: 10/7/2026