Section 7 of the Principal Act is amended by omitting sub-section (3.) and inserting in its stead the following sub-section:
"(3 .) A reference in this Act to stevedoring operations shall, unless the contrary intention appears, be read as a reference to stevedoring operations that are performed:
(a) on goods that are in the course of trade or commerce with other countries or among the States or for the purpose of the carriage of goods in the course of such trade or commerce;
(b) on goods that are in the course of trade or commerce between a State and a Territory of the Commonwealth or for the purpose of the carriage of goods in the course of such trade or commerce; or
(c) in a Territory of the Commonwealth.".