Cal. Pub. Util. Code § 105161

Whenever the district acquires existing facilities from a publicly or privately owned utility, either in proceedings in eminent domain or otherwise, that has a pension plan in operation, members and beneficiaries of the pension plan shall continue to have the rights, privileges, benefits, obligations, and status with respect to the established system. The outstanding obligations and liabilities of the public utility by reason of that pension plan shall be considered and taken into account and allowance made therefor in the purchase price of the public utility. The persons entitled to pension benefits as provided in this section and the benefits that are provided shall be specified in the agreement or order by which any public utility is acquired by the district.