Article 5 Priority of applications protected by official searches of registers
Where a purchaser has applied for an official search of a register, any entry which is made in the register during the priority period relating to that search shall be postponed to a subsequent application to register the instrument effecting the purchase and, if the purchase is dependent on a prior dealing, to a subsequent application to register the instrument effecting that dealing provided each such subsequent application—
(a)
is deemed to have been delivered at the proper office within the priority period;
(b)
affects the same land or charge as the postponed entry; and
(c)
is in due course completed by registration.