21 Advances to members.E+W+S
Without prejudice to any provision included by virtue of section 12 of this Act, the rules of a registered society may provide for advances of money to members—
(a)on the security of real or personal property or, in Scotland, of heritable or moveable estate; or
(b)if the society is registered to carry on banking business, in any manner customary in the conduct of such business.