(1)Subject to the following provisions of this section, tolls may be suspended by the crossing operator.
(2)A suspension may relate to all vehicles using the crossing, or only to all such vehicles travelling from north to south, or from south to north.
(3)Where the person appointed under section 11 of this Act to levy tolls is the crossing operator, his power to suspend tolls under this section shall be subject to any conditions in the contract under which he was appointed.