Section 13 Dispositions not to take effect until vesting instrument is made.

Where a tenant for life or statutory owner has become entitled to have a principal vesting deed or a vesting assent executed in his favour, then until a vesting instrument is executed or made pursuant to this Act in respect of the settled land, any purported disposition thereof inter vivos by any person, other than a personal representative (not being a disposition which he has power to make in right of his equitable interests or powers under a trust instrument), shall not take effect except in favour of a purchaser of a legal estate F1without notice of such tenant for life or statutory owner having become so entitled as aforesaid. but, save as aforesaid, shall operate only as a contract for valuable consideration to carry out the transaction after the requisite vesting instrument has been executed or made, and a purchaser of a legal estate shall not be concerned with such disposition unless the contract is registered as a land charge. F2Nothing in this section affects the creation or transfer of a legal estate by virtue of an order of the court or the Minister or other competent authority.