(1) The terms of an offer to which this Division applies, as set out in the offer document, cannot be varied.
(2) A purported variation of the terms of the offer is ineffective.
(3) This section does not:
(a) affect the offeror's obligation under section 1019J to update the market value of the financial product to which the offer relates; or
(b) prevent the offeror from withdrawing the offer in accordance with section 1019G or paragraph 1019J(2)(a) and making another offer on different terms; or
(c) prevent the offeree from making a counter-offer on different terms.