(a) Questionnaire.--The operator of an underground mine shall submit to the department a completed or revised deep mine questionnaire in the following instances:

(a.1) Notice.--Upon discontinuance of the operation of an underground mine, the operator shall immediately notify the department.

(c) Corrections.--By February 15 of each year, an operator must submit any corrections to the quarterly reports submitted during the prior year and must certify the accuracy of the corrected quarterly reports.

(d) Additional duties.--In addition to any records required under this act, a mine operator shall establish and maintain records, make reports and provide information as the department may require from time to time. The department is authorized to compile, analyze and publish, either in summary or detail form, the reports or information obtained. All records, information, reports, findings, notices, orders or decisions required or issued pursuant to or under this act may be published from time to time, may be released to any interested person and shall constitute a public record under the act of June 21, 1957 (P.L. 390, No. 212),¹ referred to as the Right-to-Know Law.

(e) Copies.--An operator of a mine shall maintain a copy of the reports required by this section at the mine office closest to the mine for a period of not less than five years after submission of the reports.