Section 31127 Of Article 3. General Powers And Duties Of The Authority From California Streets And Highways Code >> Division 17. >> Chapter 5. >> Article 3.

. The authority may issue permits for the use of the toll tunnel on a credit basis. The holder of such a permit shall furnish to and maintain in force with the authority a bond executed by an admitted surety insurer, in an amount equal to twice the authority's estimate of the toll charges to be incurred under such permit during one month.