Regulation 18(1) of the Principal Regulations is amended as follows:(a) by inserting the following paragraph after paragraph (c) :(ca) a certificate of likely compliance has been granted in respect of the development and states that the development (i) does not require a planning permit under Part 4 of the Land Use Planning and Approvals Act 1993 ; and(ii) is not prohibited by a planning scheme, or interim order in force, under the Land Use Planning and Approvals Act 1993 ;(b) by omitting paragraph (ea) and substituting the following paragraph:(ea) in the case of an application by an owner builder, a copy has been obtained of the certificate of likely compliance, granted for the building work that is the subject of the application;(c) by omitting paragraph (f) .