77(4)An approval or exemption referred to in subparagraph (1)(
l)(i) or an approval referred to in subsection (3) shall be signified by a certificate endorsed on the instrument, dated and signed by the development officer, or by a person to whom the power is delegated in accordance with paragraph (1)(
m), and an instrument purporting to be so certified shall be accepted by the registrar without further acknowledgement or proof of the certification.