Regulation 28 The set of bids to be submitted if a bidder wishes to maintain demand for lots at the clock price in the current round
In any principal stage round after the first round, if a bidder wishes to bid at the clock price for the same number of lots of a particular type as the bidder’s notified posted demand number for that lot type—
it must specify a target number of lots on the auction system (within the time period for bidding) which is the same as the notified posted demand number for that bidder for that lot type; and
the set of bids which must be submitted by that bidder comprises—
a bid for the target number of lots at a price per lot which is the clock price; and also
a bid for the target number of lots at every price level that exists from (and including) the opening price up to but not including the clock price.
A set of bids described in paragraph (1)(b) is referred to as a “set of bids to maintain demand”.