"(2) ... if a determination is made, or purportedly made, under the rules of the union or by an official of the union or a number of persons including an official that-
"Notwithstanding this, some months later, on23 January 1996 , Miss Walker wrote to Miss Hancock, the General Secretary of the RCN. Essentially her complaint was the same then as it had been at the very outset some 2½ years earlier. A further letter was written to Miss Hancock on26 February 1996 .