(1) The counterstatement required by sub-section (2) of section 21 shall be sent on Form TM-O within two months from the receipt by the applicant of the copy of the notice of opposition from the Registrar and shall set out what facts, if any, alleged in the notice of opposition, are admitted by the applicant. A copy of the counterstatement shall be ordinarily served by the Registrar to the opponent within two months from the date of receipt of the same.
(2) The counterstatement shall be verified in the manner as provided in sub-rules (2), (3) and (4) of rule 43.