12. Dormant Trade Names
(1) If it appears to the Registrar that an Approved Trade Name has not been in use for 180 days, then —
(a) the Registrar may serve written notice on the relevant Trade Name Holder requesting evidence that the Approved Trade Name is in use (a "Dormant Trade Name Notice"), and
(b) if the Trade Name Holder does not supply within 90 days of receipt of a Dormant Trade Name Notice evidence satisfactory to the Registrar that the Approved Trade Name was in use during the previous 270 days, the Registrar may revoke its approval of the relevant Approved Trade Name.