Section 8(7)(d) of the Principal Act is amended -

(a) in subparagraph (i), by the substitution of "matter," for "matter, and",

(b) by the substitution of the following subparagraph for subparagraph (ii):

"(ii) any decision-making assistant, co-decision-maker, decision-making representative, attorney or attorney under the Act of 1996 for the relevant person,",

and

(c) by the insertion of the following subparagraphs after subparagraph (ii):

"(iii) any court friend or person to whom section 36(8)(b) applies, where the intervention relates to proceedings under Part 5, and

(iv) a designated healthcare representative within the meaning of Part 8 for the relevant person, where the intervention relates to treatment and an advance healthcare directive within the meaning of Part 8 is applicable,".