In section 3 of the Docklands Act 1991 —
(a) for paragraph (c) of the definition of "land" substitute —
"(c) any estate, interest, easement, servitude, privilege or right in or over land; and
(d) any stratum of land;";
(b) after the definition of "staff" insert —
' "stratum of land" means a part of land consisting of a space of any shape above or below or partly above and partly below the surface of the land, all the dimensions of which are limited;';
(c) the definitions of "municipal functions", "public notice" and "voter" are repealed .