All offers made under an off-market bid must be the same.
Other relevant takeover provisions that apply to both market and off-market bids include:
s623, which prohibits the bidder or an associate of the bidder from offering a person a "collateral benefit"5
5 A benefit that is not offered to other bid class security holders which is likely to induce the person or an associate to accept an offer under the bid or to dispose of the securities in the bid class