California Code
CHAPTER 1 - General Provisions
Section 22005.

22005. The right of a person to a pension, retirement allowance, return of contributions, any optional benefit, or any other right accrued or accruing to any person under this part is exempt from taxation, including any inheritance tax, whether state, county, municipal, or district.

(Repealed and added by Stats. 1993, Ch. 893, Sec. 2. Effective January 1, 1994.)