California Code, Revenue and Taxation Code - RTC § 19377.5

(a) The Franchise Tax Board may enter into an agreement with the Internal Revenue Service or any other state imposing an income tax or tax measured by income for the purpose of collecting delinquent tax debts with respect to amounts assessed or imposed under Part 10 (commencing with Section 17001), this part, or Part 11 (commencing with Section 23001), provided the agreements do not cause the net displacement of civil service employees. The agreement may provide, at the discretion of the Franchise Tax Board, the rate of payment and the manner in which compensation for services shall be paid.

(b) At the discretion of the Franchise Tax Board, the Internal Revenue Service or the other state collecting the tax debt pursuant to subdivision (a) may, as part of the collection process, refer the tax debt for litigation by its legal representatives in the name of the Franchise Tax Board.

(c) For purposes of this section, “displacement” includes layoff, demotion, involuntary transfer to a new class, involuntary transfer to a new location requiring a change of residence, and time base reductions. “Displacement” does not include changes in shifts or days off, nor does it include reassignment to any other position within the same class and general location.