Cal. Health and Safety Code § 25205.25

(a) The Legislature hereby finds and declares that changes made to the imposition and administration of the disposal fee, generator fee, and transportable treatment unit fee set forth in Sections 28, 54, and 64 of Chapter 73 of the Statutes of 2021 were not intended to repeal the authority for the Department of Toxic Substances Control and the California Department of Tax and Fee Administration to continue to administer and collect those fees. (b) The disposal fee that was imposed pursuant to Section 25174.1, as that section read on December 31, 2022, for hazardous waste disposed of on or before June 30, 2022, that was due and payable on or before September 30, 2022, shall continue to be administered and collected. (c) The generator fee that was imposed pursuant to Section 25205.5, as that section read on December 31, 2021, for hazardous waste generated on or before December 31, 2021, that was due and payable on or before February 28, 2022, shall continue to be administered and collected. (d) The transportable treatment unit fee imposed pursuant to Section 25205.14, as that section read on December 31, 2022, for each facility or transportable treatment unit authorized on or before June 30, 2022, and that was due and payable on or before December 31, 2022, shall continue to be administered and collected. (e) The exemptions and exclusions authorized pursuant to Section 25174.7, as that section read on December 31, 2022, and Section 25205.5, as that section read on December 31, 2021, shall only apply to the fees described in subdivisions (b) and (c). (f) It is the intent of the Legislature to authorize the California Department of Tax and Fee Administration to administer and collect the fees specified in this section in accordance with Part 22 (commencing with Section 43001) of Division 2 of the Revenue and Taxation Code.