Cal. Bus. & Prof. Code § 17810

(a) A seller that uses a fixed term installment contract entered into or modified on or after August 1, 2026, shall not charge a fee to a consumer who terminates the fixed term installment contract unless, at the time of entering the initial contract, the contract includes a clear and conspicuous written disclosure of either of the following, which shall be viewable by the consumer without reliance upon a tooltip, additional hyperlink, or any other feature that requires additional user interaction:
1. (1) The total cost of the early termination fee.
2. (2) The formula used to calculate the early termination fee and the highest possible early termination fee under the contract.
(b) A provider of broadband internet access service on its own, or as part of a bundle, that complies with federal broadband consumer requirements, including the broadband consumer label, codified in 47 C.F.R. Sec. 8.2(a), and its affiliates and subsidiaries, shall be deemed compliant with this section for all services sold on their own or as part of that bundle.