ore notwithstanding the fact that it is returned through the post as undelivered.(2) Section 72 of the Conveyancing and Law of Property Act [Cap. 61] shall not apply to the service on a proprietor of a notice under this Act.Transitional provision31.???(1) Any register, instrument, index or other document maintained under the repealed Registration of Deeds Act [Cap. 269, 1985 Ed.] shall be continue