Terara does not dispute, nor could it dispute, that the option to renew is an "encumbrance" within the meaning of that expression as it is defined by s. 4 of the Act. A covenant in a lease giving a right of renewal of the term runs with the land so that the covenant is so annexed to the land as to create an interest in the leased land [2] . Generally speaking, such a covenant runs with the reversion as well as the land [3] . Whether such a covenant in an unregistered lease of land under the Act runs with the reversion depends upon the provisions of the Property Law Act 1969 W.A.. Section 78 of the Property Law Act provides that a covenant runs with the reversion. However, by virtue of s. 6 of the Property Law Act, in the absence of express provision, the Property Law Act, so far as it is inconsistent with the Act, does not apply to land under the Act. Section 69, which, like s. 78, is in Pt VII of the Property Law Act, provides that the provisions of Pt VII "apply to leases and sub-leases of land under the Transfer of Land Act 1893, notwithstanding anything contained in that Act". Section 7 of the Property Law Act defines the expression "land under the Transfer of Land Act 1893 " in these terms: "any estate or interest registered under that Act." As the fee simple of the land in question is an estate registered under the Act, Pt VII of the Property Law Act, including s. 78, applies to leases of the land. Accordingly, contrary to the submission made on behalf of Leros, we take the view that an unregistered lease of land under the Act is a lease which satisfies the definition and that the option runs with the reversion. But this is not to say that Pt VII of the Property Law Act overrides the specific provision made in the concluding words of s. 68 of the Act with respect to the invalidity of an option to renew. It would not be right to attribute to the general words of s. 69 of the Property Law Act an intention to repeal the specific provision in s. 68 of the Act.