"appropriate regulator"
in relation to any entity, means any national government department, registrar, regulator, agency, authority, centre, board or similar institution established, appointed, required or tasked in terms of any law to regulate, oversee or ensure compliance with any legislation, regulation or licence, rule, directive, notice or similar instrument issued in terms of or in compliance with any legislation or regulation, as appears to the Regulatory Board to be appropriate in relation to the entity;