13In section 24 of that Act (duty of Gas Corporation to avoid undue preference) the following subsection shall be inserted after subsection (2)—
“(3)In this section ' consumer' means any person who—
(a)is the owner or occupier of premises situated within 25 yards from any distribution main of the Corporation ; and
(b)is there supplied with gas by the Corporation at a rate not exceeding 25,000 therms a year.”