; or (B) appropriate professional or industry standards, recommendations, or guidance. (2) The term health care professional means an individual who is licensed, registered, certified, or otherwise authorized under a Federal or State law to provide health care services. (3) The term health care services means any service provided by a health care professional, or by any individual working under the supervision of a health care professional, that relates to the diagnosis, prevention, or treatment of COVID–19. 4. Occupational safety or health hazard exemption The Occupational Safety and Health Act of 1970 ( 29 U.S.C. 651 et seq.) is amended— (1) in section 9 ( 29 U.S.C. 658 )— (A) subsection (a), by striking If, upon inspection and inserting Except as provided in subsection (d), if, upon inspection ; and (B) by adding at the end the following new subsection: (d) COVID– 19 exemption (1) In general For the period specified in paragraph (3), the Secretary may not exercise authority pursuant to subsection (a) to issue a citation with respect to a violation related to the spread or possible transmission of SARS–COV–2 in the workplace if the Secretary determines that the employer acted in good faith. (2) Good faith defined The term good faith has the meaning given such term in section 2(d) of the Get America Back to Work Act. (3) Period specified The period specified in this paragraph is the period beginning on January 1, 2020, and ending on the date that is 18 months after the end of the emergency period (as defined in section 1135(g)(1)(B) of the Social Security Act ( 42 U.S.C. 1320b–5(g)(1)(B) )). ; and (2) in section 17 ( 29 U.S.C. 666 )— (A) in subsection (a), by striking Any employer who willfully and inserting Except as provided in subsection (m), any employer who willfully ; (B) in subsection (e), by striking Any employer who willfully and inserting Except as provided in subsection (m), any employer who willfully