From NW
It's a legal "real possibility" of apparent bias and if there was doubt is should be resolved in favour of recusal.
J - tribunals are creatures of statute. We need a J a rep of C and a rep of R. The idea is it will lead to a balanced outcome for all parties.
MM was no an employee of a central whitley council. He was employed by NI civil service. He was seconded to whitely council. His salary was at all times paid by the civil service. He was a member of NIPSA..