Section 18(2) of the Principal Act is amended as follows:

(a) by inserting the following paragraph after paragraph (af) :

(ag) if the first home owner grant relates to an eligible transaction that satisfies section 18G, the amount is $20 000; or

(b) by omitting from paragraph (b) "section 18A, 18B, 18C, 18D, 18E or 18F," and substituting "section 18A, 18B, 18C, 18D, 18E, 18F or 18G," .