If—
(a) the Registrar has removed a trade mark from the Register under section 81(1) because no notice of opposition was filed within the period provided under the regulations; and
(b) the Registrar subsequently extends the period within which the notice may be filed;
(c) a notice of opposition is filed within the extended period,
the Registrar shall restore the trade mark to the Register and the trade mark is taken not to have been removed from the Register.