; or (B) any other standards as may be adopted by the Secretary, including any relevant updates to the International Fire Code, through a notice published in the Federal Register. . (e) Guidance The Secretary of Housing and Urban Development shall provide guidance to public housing agencies (as defined in section 3(b)(6) of the United States Housing Act of 1937 ( 42 U.S.C. 1437a(b)(6) ) on how to educate tenants on health hazards in the home, including to carbon monoxide poisoning, lead poisoning, asthma induced by housing-related allergens, and other housing-related preventable outcomes, to help advance primary prevention and prevent future deaths and other harms. (f) Effective date The amendments made by subsections (a) through (d) shall take effect on the date that is 2 years after the date of enactment of this Act. (g) Authorization of appropriations There is authorized to be appropriated to implement the provisions of this section such sums as may be necessary for each of fiscal years 2020 through 2024. (h) No preemption Nothing in the amendments made by this section shall be construed to preempt or limit the applicability of any State or local law relating to the installation and maintenance of carbon monoxide alarms in housing that requires standards that are more stringent than the standards described in the amendments made by this section. 4. Study on inclusion of carbon monoxide alarms in other units The Secretary of Housing and Urban Development, in consultation with the Consumer Product Safety Commission, shall conduct a study and issue a publicly available report on requiring carbon monoxide alarms in federally assisted housing that is not covered in the amendments made by section 3.