In this Part of this Act, unless the context otherwise requires,—
(a) any fine or other like sum;
(b) any other pecuniary consideration in addition to rent; and
(c) any sum paid by way of a deposit, other than one which does not exceed one-sixth of the annual rent and is reasonable in relation to the potential liability in respect of which it is paid.
"furniture" includes fittings and other articles; and
"premium" includes—
For the avoidance of doubt it is hereby declared that nothing in this Part of this Act shall render any amount recoverable more than once.