Section 50(3)(b) of the Principal Act is amended as follows:(a) by omitting " section 14 of the Resource Management and Planning Appeal Tribunal Act 1993 " and substituting "clause 7(3) of Part 8 of Schedule 2 to the Tasmanian Civil and Administrative Tribunal Act 2020 " ;(b) by omitting "decision and who has a proper interest in the subject matter of the appeal" and substituting "decision" .