20. (1) Where an event specified in any of paragraphs (a) to (c) occurs, a co-decision-making agreement shall, with effect from the date on which the event occurs, be null and void to the extent that the co-decision-making agreement relates to a relevant decision where there is, in respect of the relevant decision—

(a) a decision-making order or a decision-making representation order in relation to the appointer,

(b) an advance healthcare directive made by the appointer and the appointer lacks capacity, or

(c) an enduring power of attorney or enduring power under the Act of 1996 made by the appointer that has entered into force.

(2) A co-decision-making agreement shall, with effect from the date on which an event specified in any of paragraphs (a) to (c) occurs or, in the case of an event specified in paragraph (d), at the expiry of the period referred to in that paragraph, and unless it provides otherwise, be null and void where the co-decision-maker is the spouse of the appointer and subsequently—

(a) the marriage is annulled or dissolved either—

(i) under the law of the State, or

(ii) under the law of another state and is, by reason of that annulment or dissolution, not or no longer a subsisting valid marriage under the law of the State,

(b) either a decree of judicial separation is granted to either spouse by a court in the State or any decree is so granted by a court outside the State and is recognised in the State as having like effect,

(c) a written agreement to separate is entered into between the spouses, or

(d) subject to section 2(2), the spouses separate and cease to cohabit for a continuous period of 12 months.

(3) A co-decision-making agreement shall, with effect from the date on which an event specified in paragraph (a) or (b) occurs or, in the case of an event specified in paragraph (c), at the expiry of the period referred to in that paragraph, and unless it provides otherwise, be null and void where the co-decision-maker is the civil partner of the appointer and subsequently—

(a) the civil partnership is annulled or dissolved (other than where the dissolution occurs by virtue of the parties to that civil partnership marrying each other) either—

(i) under the law of the State, or

(ii) under the law of another state and is, by means of that annulment or dissolution not or no longer a subsisting valid civil partnership under the law of the State,

(b) a written agreement to separate is entered into between the civil partners, or

(c) subject to section 2(2), the civil partners separate and cease to cohabit for a continuous period of 12 months.

(4) Subject to section 2(2), a co-decision-making agreement shall, at the expiry of the period referred to in this subsection, and unless it provides otherwise, be null and void where the co-decision-maker is the cohabitant of the appointer and subsequently the cohabitants separate and cease to cohabit for a continuous period of 12 months.

(5) To the extent that a co-decision-making agreement includes a matter referred to in section 17(4), it shall be null and void.

(6) Subject to subsection (7), where, subsequent to the registration of a co-decision-making agreement —

(a) the co-decision-maker is convicted of an offence in relation to the person or property of the appointer or the person or property of a child of the appointer,

(b) a safety or barring order is made against the co-decision-maker in relation to the appointer or a child of the appointer,

(c) the co-decision-maker becomes an undischarged bankrupt or subject to a debt settlement arrangement or personal insolvency arrangement which is current or is convicted of an offence involving fraud or dishonesty,

(d) the co-decision-maker becomes a person in respect of whom a declaration under section 819 of the Act of 2014 has been made or is deemed to be subject to such a declaration by virtue of Chapter 5 of Part 14 of that Act,

(e) the co-decision-maker becomes a person who is subject or is deemed to be subject to a disqualification order within the meaning of Chapter 4 of Part 14 of the Act of 2014 by virtue of that Chapter or any other provisions of that Act,

(f) the co-decision-maker becomes—

(i) the owner or registered provider of a designated centre or mental health facility in which the appointer resides, or

(ii) a person residing with, or an employee or agent of, such owner or registered provider, as the case may be,

unless the co-decision-maker is the spouse, civil partner, cohabitant, parent, child or sibling of the appointer,

(g) the co-decision-maker is convicted of an offence under F26[section 15A, 34,] 80, 90 or 145,

(h) the co-decision-maker—

(i) enters into a decision-making assistance agreement as a relevant person,

(ii) enters into a co-decision-making agreement as a relevant person,

F26[(iii) has an enduring power of attorney that is the subject of a notification that has been accepted by the Director under section 71C, or an enduring power under the Act of 1996 that has been registered, in respect of himself or herself, or]

(iv) becomes the subject of a declaration under section 37(1),

or

(i) the court finds that the co-decision-maker should no longer act as co-decision-maker for the appointer,

the co-decision-making agreement concerned shall be null and void with effect from the date on which the co-decision-maker falls within any of paragraphs (a) to (i).

(7) A co-decision-making agreement shall not be null and void pursuant to paragraphs (6)(c), (d) and (e) to the extent that it relates to relevant decisions on personal welfare.

(8) Where a co-decision-making agreement which stands registered becomes null and void in whole or to the extent that it relates to one or more relevant decisions, the co-decision-maker or, in the case of nullity pursuant to subsection (6)(h)(iii) or (iv), his or her attorney, decision-making representative or the court, as the case may be, shall notify the Director of such nullity and the particulars relating thereto.

(9) The nullity of a co-decision-making agreement or of a relevant decision contained therein shall not operate to prevent a person who relied on the agreement or the relevant decision from recovering damages in respect of any loss incurred by him or her as a result of that reliance.