Circumstances where Certificate of Title need not be Produced to Keeper18.-(1) There shall be no obligation to produce the Certificate of title to the Keeper, in terms of rule9 (3) or rule 17 (2), where the Keeper is satisfied of the existence of good cause for the failureto produce the certificate.(2) For the purpose of the preceding paragraph, good cause will include-(a) with reference to a land certificate or a charge certificate, the fact that the certificate has beenlost or destroyed or is otherwise unobtainable; and(b) with reference to a land certificate, the fact that the land certificate is held by a creditor.Issue by Keeper of Substitute Certificate of Title19. Where the Keeper is satisfied that a certificate of title has been lost or destroyed he shall issuea substitute certificate, marked substitute and shall note on the title sheet that a substitutecertificate has been issued.PART VMISCELLANEOUSRectification of Register20.-(1) An application to the Keeper, under section 9 (1) of the Act, for the rectification of theregister shall be on Form 9.(2) Where it appears to the Keeper that proceedings in the court or the Lands Tribunal for Scotland mayresult in an order for rectification of the register under section 9(l) of the Act, the Keeper shall note theexistence of such proceedings on the title sheet of the interest in land to which the proceedings relate.Notifications by Keeper21.-(1) The Keeper shall notify his decision on any matter affecting registration to any person whoseinterest appears from the register to be affected by that decision.(2)Notification shall not be made under the foregoing paragraph where notification would havethe effect of informing the person entitled to the interest in land of the existence of a recordeddeed or a registration upon which possession adverse to his interest may be founded in termsof section 1 of the Prescription and Limitation (Scotland) Act 1973.(3) A notification under paragraph (1) shall be made in such form as the Keeper shall think fit andshall be sufficiently made if sent by post to the persons last address shown on the register.Affidavits to Accompany Applications for Registration22. Affidavits intended to accompany an application for registration may be made before a notarypublic.