8D. A prescribed party is exempt from section 46A(1) of the Act, and is consequently an excluded party for the purposes of section 46A of the Act and this Part, if the prescribed party —
(a)
lacks capacity within the meaning of section 4 of the Mental Capacity Act;
(b)
suffers from any critical illness or terminal illness that renders it impracticable or impossible for the prescribed party suffering from that illness, or both that prescribed party and the other party to the marriage, to attend or complete the applicable prescribed activity;
(c)
suffers from any physical disability or infirmity (such as any visual, auditory or speech impairment) that renders it impracticable or impossible for the prescribed party suffering that disability or infirmity, or both that prescribed party and the other party to the marriage, to attend or complete the applicable prescribed activity; or
(d)
reconciles with the other party to the marriage during the period of iddah.