—(1) Subject to subsection (3), the Registrar shall accept as proof of due execution of an instrument intended for registration under this Act if the instrument is presented in the following manner:
where a person, other than a party to the instrument, attests the instrument; or
where the execution by a party is not apparently attested, the solicitor has signed the certificate of correctness referred to in section 59, and —
where such instrument is executed in Singapore, the Registrar shall presume that it has been duly executed in the presence of the solicitor who has signed the certificate of correctness; or
where such instrument is executed outside Singapore, the Registrar shall presume that the solicitor who signed the certificate of correctness has satisfied himself that the execution of that instrument has been attested.
(2) The Registrar may, in any case in which he has reason to suspect impropriety or where the instrument is executed by a marksman or by a person who appears to be illiterate, require any of the parties to the instrument or his respective witness to appear before him or before any person nominated by him for the purpose of proving the due execution of the instrument.
(3) The Registrar may dispense with proof of due execution of an instrument intended for registration under this Act for any of the following purposes:
for the entry, extension or withdrawal of a caveat;
for the registration of —
a writ of execution or an order of court; or
the withdrawal of a writ of execution or an order of court;
for the cancellation of a writ of execution; or
for such other purpose as may be prescribed.