(1)Where the Keeper accepts an application under section 21 by virtue of section 43(1) or (5), the Keeper is to mark any resulting entry in the title sheet as provisional.
(2)The Keeper is to remove the provisional marking from an entry if and when the real right to which the entry relates becomes, under section 1 of the Prescription and Limitation (Scotland) Act 1973 (c.52) (validity of right), exempt from challenge.
(3)While an entry remains provisional—
(a)it does not affect any right held by any person in the land to which the entry relates, and
(b)rights set out in the register are not to be altered or deleted by virtue only of the entry.