; (2) in subsection (c), by redesignating paragraphs (1) through (3) as subparagraphs (A) through (C), respectively; (3) in subsection (g), by redesignating paragraphs (1) through (4) as subparagraphs (A) through (D), respectively; and (4) by redesignating subsections (c) through (l) as paragraphs (1) through (10), respectively. 509. Electronic records requirement Section 103 ( 30 U.S.C. 802 ) is amended by adding at the end the following: (l) Electronic records Not later than 180 days after the date of enactment of the Robert C. Byrd Mine Safety Protection Act of 2017 , the Secretary shall promulgate regulations requiring that mine operators retain records and data required by this Act, or otherwise required by the Secretary, that are created, stored, or transmitted in electronic form. Such records shall include records pertaining to miner safety and health, tracking and communications, atmospheric monitoring of methane, carbon monoxide, oxygen, coal dust and other mine conditions, equipment usage history and operating parameters, equipment calibration and maintenance, and other information relevant to compliance with Federal mine health or safety laws and regulations. Not later than 2 years after the date of enactment of such Act, the Secretary shall promulgate a regulation regarding the minimum necessary capabilities of equipment to retain, store, and recover data created or transmitted in electronic form. . VI Additional mine safety provisions 601. Definitions (a) Definition of operator Section 3(d) ( 30 U.S.C. 802(d) ) is amended to read as follows: (d) operator means— (1) any owner, lessee, or other person that— (A) operates or supervises a coal or other mine; or (B) controls such mine by making or having the authority to make management or operational decisions that affect, directly or indirectly, the health or safety at such mine; or (2) any independent contractor performing services or construction at such mine