Section 31 of the Principal Act is amended as follows:

(a) by omitting paragraph (b) from subsection (1) and substituting the following paragraphs:

(b) 3 or more members for a major appeal; and

(c) 3 members for an appeal under section 28A .

(b) by omitting from subsection (2)(b) "for any other appeal" and substituting "for a major appeal or an appeal under section 28A " ;

(c) by inserting the following subsection after subsection (6) :

(7)  In choosing the members who are to constitute the TRAB for an appeal by a person, the chairperson must consider all available members and give due consideration to the nature of the issues likely to be involved in the appeal and attempt, as far as practicable, to ensure that there is not a risk of a member chosen being biased or having a conflict of interest, or being perceived to be biased or to have a conflict of interest, in relation to the appeal, by virtue of having been a member of the TRAB, or the former IAB, constituted in respect of a previous appeal to the TRAB, or the former IAB, by the person.