(1) A caution requiring notice of an application for the first registration of the ownership of property shall be in Form 7.
(2) The affidavit of interest in support of the caution shall be in Form 8 and shall be made by the cautioner or his/her solicitor.
(3) A cautioner may at any time, in writing, signed by himself/herself or his/her solicitor, withdraw his/her caution or consent to a registration.