Section 3(1) of the Principal Act is amended as follows:(a) by omitting "Board" from the definition of administration order and substituting "Tribunal" ;(b) by omitting the definition of Board ;(c) by omitting the definition of Court ;(d) by omitting "Board" from the definition of guardianship order and substituting "Tribunal" ;(e) by inserting the following definition after the definition of guardianship order :Guardianship stream proceedings means proceedings of the Tribunal under an Act in relation to which the functions and powers of the Tribunal are allocated, under the Tasmanian Civil and Administrative Tribunal Act 2020 , to the Guardianship stream of the Tribunal established under that Act;(f) by omitting the definition of President and substituting the following definition:President has the same meaning as in the Tasmanian Civil and Administrative Tribunal Act 2020 ;(g) by omitting the definition of registrar and substituting the following definition:registrar means the Registrar, within the meaning of the Tasmanian Civil and Administrative Tribunal Act 2020 ;