(1) Scope. This rule applies to new showerheads manufactured on or after January 1, 2021.

(2) Standard. Showerheads that are within the scope and definition of the applicable regulation must meet the requirements in the California Rule, section 1605.3.

(3) Testing. Showerheads must meet the testing criteria as measured in accordance with the test methods prescribed in the California Rule, section 1604.

(4) Listing. Each manufacturer must cause to be listed each showerhead, by model number, in MAEDbS.

(5) Marking. Every unit of every showerhead must comply with the requirements of section 1607 of the California Rule.