The regulations may:
(a) exempt a person or class of persons from all or specified provisions to which this Part applies; or
(b) exempt a credit contract or a class of credit contracts from all or specified provisions to which this Part applies; or
(c) exempt a consumer lease or a class of consumer leases from all or specified provisions to which this Part applies; or
(d) provide that the provisions to which this Part applies apply as if specified provisions were omitted, modified or varied as specified in the regulations.