(1) For the purposes of, but without affecting the generality of, section 82, a class of security bond may be described by reference to a class of lease or a class of premises in respect of which security bonds are deposited or paid.
(2) For the purposes of, but without affecting the generality of, subsection (1), a class of lease may be described by reference to periods of continuous occupancy of premises under leases or by reference to terms or conditions of leases.