In this Part—
"person" includes any entity that has legal personality under the law by which it is governed;
"regulations" means regulations made by the Secretary of State;
"relevant interest in land" means an estate, interest, right or power in or over land in the United Kingdom, except an advowson, franchise or manor;
"relevant right concerning land" means a right or power, arising under a contract or otherwise, that is not a relevant interest in land but concerns the ownership, control or use of land in the United Kingdom.