Regulation 23 of the Principal Regulations is amended as follows:(a) by omitting subregulation (1) and substituting the following subregulations:(1) For the purpose of section 333A(1) of the Local Government Act 1993 the prescribed amount is $100 000 (excluding GST).(1A) A tender is to be publicly invited by one of the following:(a) an open tender under regulation 24 ;(b) a multiple-use register under regulation 25 ;(c) a multiple-stage tender under regulation 26 .(b) by omitting from subregulation (5) "at or above $50 000, excluding GST" and substituting "at or exceeding the amount prescribed under subregulation (1)" .