80.Section 56(1) provides that the Council shall investigate complaints by or on behalf of users of relevant postal services as it thinks appropriate if:
	the matter has previously been the subject of a complaint to a person providing the services concerned and has not been satisfactorily resolved, and
	it does not appear to the Council to be of a frivolous or vexatious nature.
81.Subsection (2) requires the Council to refer any complaint to the Commission if, as a result of an investigation under section 56(1) it considers that:
	a licence condition may have been contravened
	the matter is a referable matter (as defined in subsection (3) of section 56)
	it is appropriate to do so.
82.Subsection (3) requires the Council to agree with the Commission what are referable matters for the purposes of subsection (2)(b).
Commentary on Sections Part III Other Functions of the Commission and the Council Section 56: Complaints referred to the Council