Part IIIRights in relation to union membership and activities
Exclusion or expulsion from trade union where employment subject to union membership agreement
175Time limit for proceedings
An industrial tribunal shall not entertain a complaint under section 174 unless it is presented to the tribunal—
a
before the end of the period of six months beginning with the date of the refusal or expulsion, or
b
where the tribunal is satisfied that it was not reasonably practicable for the complaint to be presented before the end of that period, within such further period as the tribunal considers reasonable.