California Code
ARTICLE 3 - General Powers and Duties of the Authority
Section 31127.

31127. 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.

(Amended by Stats. 1982, Ch. 517, Sec. 384.)