(1) The Payment Systems Regulator may give a direction in writing to any person who is -

(a) accountable for the functioning of a payment card scheme;

(b) an operator of a payment card scheme;

(c) a payment service provider;

(d) a processing entity;

(e) a technical service provider providing services in relation to a payment card scheme.

(2) A direction under paragraph (1) may be given in relation to -

(a) the imposition of interchange fees by a payment service provider;

(b) the information to be provided in relation to such fees;

(c) the operations, rules and practices of a person referred to in paragraph (1), including the information which must be provided by that person to specified people and in specified circumstances;

(d) the terms on which payments services are provided in relation to payment card schemes or card-based payment transactions or fees may be charged for those services.