; and (B) excludes receipt of items to be used exclusively for rendering health care services in the health care professional’s capacity as a volunteer described in subsection (a)(1). (e) Effective date This section shall take effect upon the date of enactment of this Act, and applies to a claim for harm only if the act or omission that caused such harm occurred on or after the date of enactment. (f) Sunset This section shall be in effect only for the length of the public health emergency declared by the Secretary of Health and Human Services (referred to in this section as the Secretary ) pursuant to section 319 of the Public Health Service Act ( 42 U.S.C. 247d ) on January 31, 2020 with respect to COVID-19. III Miscellaneous provisions 4221. Confidentiality and disclosure of records relating to substance use disorder (a) Conforming changes relating to substance use disorder Subsections (a) and (h) of section 543 of the Public Health Service Act ( 42 U.S.C. 290dd–2 ) are each amended by striking substance abuse and inserting substance use disorder . (b) Disclosures to covered entities consistent with HIPAA Paragraph (1) of section 543(b) of the Public Health Service Act ( 42 U.S.C. 290dd–2(b) ) is amended to read as follows: (1) Consent The following shall apply with respect to the contents of any record referred to in subsection (a): (A) Such contents may be used or disclosed in accordance with the prior written consent of the patient with respect to whom such record is maintained. (B) Once prior written consent of the patient has been obtained, such contents may be used or disclosed by a covered entity, business associate, or a program subject to this section for purposes of treatment, payment, and health care operations as permitted by the HIPAA regulations. Any information so disclosed may then be redisclosed in accordance with the HIPAA regulations. Section 13405(c) of the Health Information Technology and Clinical Health Act ( 42 U.S.C. 17935(c) ) shall apply to all disclosures pursuant to subsection