9. The requirements of Article 50(1) of the Order shall not apply to a disagreement if, in respect of that disagreement—
(a)proceedings have been begun in any court or tribunal;
(b)the Pensions Ombudsman has commenced an investigation into a complaint made or dispute referred to him, or
(c)a notice of appeal has been issued by the complainant under Article 61 of the Firemen’s Pension Scheme Order (Northern Ireland) 1973(1) or regulation H2 of the Royal Ulster Constabulary Pensions Regulations 1988(2).
S.R. & O. (N.I.) 1973 No. 393; relevant amending order is S.R. 1976 No. 216; see also S.R. & O. (N.I.) 1973 No. 504