4.—(1) A person who, not having reasonable cause to believe that there is a right to payment, in the course of any trade or business makes a demand for payment, or asserts a present or prospective right to payment, for what he knows are unsolicited goods sent (after the coming into operation of this Article) to another person with a view to his acquiring them[F1 for the purposes of his trade or business], shall be guilty of an offence and shall be liable on summary conviction to a fine not exceeding[F2 level 4 on the standard scale].
(2) A person who, not having reasonable cause to believe that there is a right to payment, in the course of any trade or business and with a view to obtaining any payment for what he knows are unsolicited goods sent as aforesaid—
(a)threatens to bring any legal proceedings; or
(b)places or causes to be placed the name of any person on a list of defaulters or debtors or threatens to do so; or
(c)invokes or causes to be invoked any other collection procedure or threatens to do so,
shall be guilty of an offence and shall be liable on summary conviction to a fine not exceeding[F2 level 5 on the standard scale].