After the expiration of 3 calendar months from the receipt thereof, every such caveat shall be deemed to have lapsed unless the caveator has, within that time—
(a) taken proceedings in the court to establish his or her title to the interest, lien or charge therein specified, and given written notice thereof to the registrar-general; or
(b) obtained from the court an order or injunction restraining the registrar-general from bringing the land therein referred to under this Act, either absolutely or until the further order of the court.