4.— Section 2 of the Principal Act is amended—

(a) by inserting the following definitions after the definition of “bilateral agreement”:

“ ‘ biofuel ’ has the meaning assigned by section 44A;

‘biofuel levy’ means the biofuel levy imposed under Part 5A;

‘biofuel obligation’ has the same meaning as in Part 5A;

‘biofuel producer’ has the meaning assigned by section 44A;

‘biofuel supplier’ has the meaning assigned by section 44A;”,

and

(b) by substituting the following for the definition of “prescribed”:

“ ‘prescribed’ means prescribed by regulations made by the Minister under this Act;”.