Cal. Unemployment Insurance Code § 934

“Wages” does not include any payment made to, or on behalf of, an employee or his or her beneficiary: (a) From or to a trust described in Section 401(a) of the Internal Revenue Code which is exempt from tax under Section 501(a) of that code at the time of the payment, unless the payment is made to an employee of the trust as remuneration for services rendered as an employee and not as a beneficiary of the trust. (b) Under or to an annuity plan which, at the time of the payment, is a plan described in Section 403(a) of the Internal Revenue Code. (c) Under a simplified employee pension, as defined in Section 408(k)(1) of the Internal Revenue Code, other than any contributions described in Section 408(k)(6) of the Internal Revenue Code. (d) Under a simple retirement account, as described in Section 408(p) of the Internal Revenue Code, other than any elective contributions under Section 408(p)(2)(A)(i) of the Internal Revenue Code. (e) Under or to an annuity contract described in Section 403(b) of the Internal Revenue Code, other than a payment for the purchase of the contract which is made by reason of a salary reduction agreement, whether evidenced by a written instrument or otherwise. (f) Under or to an exempt governmental deferred compensation plan, as defined in Section 3121(v)(3) of the Internal Revenue Code. (g) To supplement pension benefits under a plan or trust described in any of the foregoing provisions of this section to take into account some portion or all of the increase in the cost of living, as determined by the Secretary of Labor, since retirement, but only if the supplemental payments are under a plan which is treated as a welfare plan under Section 3(2)(B)(ii) of the Employee Retirement Income Security Act of 1974.