Public Utilities Code § 6464
CHAPTER 3. Resettlement of Street, Suburban, and Interurban Railroad Franchises
The resettlement franchise shall provide that the grantee, its successors or assigns, shall never claim before any court or other public authority in any proceeding of any character any value for the resettlement franchise, permit, or privilege in excess of the amount originally paid for it by the grantee to the granting authority.