A corporation sole is a legal entity consisting of a single ("sole") incorporated office, occupied by a single ("sole") natural person.[1][2] This structure allows corporations (often religious corporations or Commonwealth governments) to pass without interruption from one officeholder to the next, giving positions legal continuity with subsequent officeholders having identical powers and possessions to their predecessors. A corporation sole is one of two types of corporation, the other being a corporation aggregate.[3]
If each separate office that person held had been a "corporation sole" (i.e. recognised in law as a separate legal entity)...
landregistry
was invoked but never defined (see the help page).