Cal. Rev. & Tax. Code § 24308.5

(a)For taxable years beginning on or after January 1, 2021, and before January 1, 2026, gross income does not include a bill credit or credits received by a customer from a utility applicant pursuant to the California Arrearage Payment Program Under the American Rescue Plan Act of 2021 (Article 12 (commencing with Section 16429.5) of Chapter 2 of Part 2 of Division 4 of Title 2 of the Government Code).

(b)This section shall remain in effect only until December 1, 2026, and as of that date is repealed.