The California Franchise Tax Board announced the evening of October 16, 2023 it is following the IRS by adopting a November 16, 2023 due date for 2022 income tax returns and payments for taxpayers who previously qualified for the October 16, 2023 due date. The relief applies to 55 of 58 California counties.
For residents of 55 of California's 58 counties that previously qualified for extended filing relief, the IRS has announced TODAY the tax-filing and tax-payment deadline has been further extended to November 16, 2023.
The IRS has announced an immediate moratorium, at least through the end of 2023, for processing new claims for the employee retention credit.
FinCEN has issued proposed regulations extending the due date for new entities created during 2024 to 90 days after creation. After 2024, the 30-day deadline will apply.
The Federal government will require a new report for small businesses, called the Beneficial Ownership Information Report under the Corporate Transparency Act, effective January 1, 2024.
The IRS announced on February 24, 2023 the filing due date for 2022 federal income tax returns and certain payments of taxpayers in certain disaster areas has been further extended from May 15, 2023 to October 16, 2023. (IR-2023-33.)
The California Franchise Tax Board, which administers California's individual income tax and corporate franchise tax, has announced it will conform to the federal extension of time to May 15, 2023 for making payments and filing income tax returns that are due during the period January 8 to May 14, 2023.
The filing deadline for federal individual and business income tax returns (including Form 5500) of certain California taxpayers with a due date on or after January 8, 2023 is extended to May 15, 2023.
Although the provisions are significant, I think you can see these provisions won't have a significant impact on most taxpayers' income tax returns, possibly with the exception of the expanded premium tax credit.
According to 2020 FTB Publication 1001 (Revised November, 2021), page 13, the federal reduction of wages doesn't apply on the California income tax return.