{"code":"HSC","codeName":"Health and Safety Code","section":"40100","citation":"Health & Saf. Code, § 40100","status":"in-force","lawOn":"2026-09-28","headings":[{"name":"DIVISION 26. AIR RESOURCES [39000. - 44475.3.]","url":"https://blackletter.si/health-and-safety-code/division-26"},{"name":"PART 3. AIR POLLUTION CONTROL DISTRICTS [40000. - 41357.]","url":"https://blackletter.si/health-and-safety-code/division-26/part-3"},{"name":"CHAPTER 2. County Air Pollution Control Districts [40100. - 40131.]","url":"https://blackletter.si/health-and-safety-code/division-26/part-3/chapter-2"},{"name":"ARTICLE 1. Administration [40100. - 40104.]","url":"https://blackletter.si/health-and-safety-code/division-26/part-3/chapter-2/article-1"}],"history":"Repealed (in Sec. 2) and added by Stats. 2019, Ch. 744, Sec. 3.   (AB 423)   Effective January 1, 2020.   Section operative March 1, 2021, by its own provisions.","effective":"2020-01-01","html":"<p>(a) Except as provided in Sections <a href=\"/hsc/40100.5\">40100.5</a> and <a href=\"/hsc/40100.6\">40100.6</a>, a county board of supervisors shall be ex officio the county district board of the county.</p><p>(b) The section shall become operative on March 1, 2021.</p>","text":"(a) Except as provided in Sections 40100.5 and 40100.6, a county board of supervisors shall be ex officio the county district board of the county. (b) The section shall become operative on March 1, 2021.","otherVersions":[],"url":"https://blackletter.si/health-and-safety-code/administration-40100","source":"California Legislative Information bulk export (pubinfo)"}