Section 157
Adaptation of entries to new classification
The Registrar may consider the necessary to implement any amendment or substitution of classification of goods or services for the purposes of the registration of trademarks including making the amendment of existing entries on the Register so as to accord with the new classification as prescribed.
(2)
The amendment made under subsection (1) shall not extend the rights conferred by the registration, except where it appears to the Registrar that compliance with this requirement would involve undue complexity and that any extension would not be substantial and would not adversely affect the rights of any person.
(3)
The Registrar may—
(a)
require the registered proprietor, within such prescribed period, to file a proposal for amendment of the Register;
and
(b)
cancel any relevant goods or services as identified by the Registrar or refuse to renew the registration of trademark in the event of his failing to do so.
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(4)
Any proposal made under paragraph (3)(a) shall be published in the Intellectual Property Official Journal and may be opposed in accordance with section 35.