California Code, Revenue and Taxation Code - RTC § 17158

(1) For taxable years beginning on or after January 1, 2020, and before January 1, 2030, grant allocations received by a taxpayer pursuant to the COVID-19 Relief Grant that is administered by the Office of Small Business Advocate, is funded by Executive Order No. E 20/21-182, and is described in a letter from the Department of Finance to the Joint Legislative Budget Committee, dated December 17, 2020, entitled, “Disaster Response-Emergency Operations Account Request-Increased Funding for the California Rebuilding Fund and Funding to Support a New COVID-19 Relief Grant for Small Businesses.”

(2) For taxable years beginning on or after January 1, 2020, and before January 1, 2030, grant allocations received by a taxpayer pursuant to the California Small Business COVID-19 Relief Grant Program established by Section 12100.83 of the Government Code.

(3) For taxable years beginning on or after September 1, 2020, and before January 1, 2030, grant allocations received by a taxpayer pursuant to the California Venues Grant Program established by Section 12100.83.5 of the Government Code.

(4) For taxable years beginning on or after January 1, 2021, and before January 1, 2030, grant allocations received by a taxpayer pursuant to the California Small Business and Nonprofit COVID-19 Supplemental Paid Sick Leave Relief Grant Program established by Section 12100.975 of the Government Code.