1920 – 10&11 Geo 5 (Ch. Clxi),Paisley Corporation (Inchinnan Opening Bridge) Order Confirmation Act 1920, In section 11 the words “and so as to give and secure precedence and priority to vessels and boats requiring to pass through the opening span of the said bridge over the road traffic requiring to use the said bridge”.    Section 28(1).    The Second Schedule.  ,