(1) Section 1 of the Principal Act is amended in subsection (1) -
(a) by inserting the following after the definition of "agricultural service":
"'ancillary supply' means a supply, forming part of a composite supply, which is not physically and economically dissociable from a principal supply and is capable of being supplied only in the context of the better enjoyment of that principal supply;",
(b) by inserting the following after the definition of "Community":
"'composite supply' means a supply made by a taxable person to a customer comprising two or more supplies of goods or services or any combination of these, supplied in conjunction with each other, one of which is a principal supply;",
(c) by inserting the following after the definition of "importation of goods":
"'individual supply' means a supply of goods or services which is a constituent part of a multiple supply and which is physically and economically dissociable from the other goods or services forming part of that m