|(a) An owner or operator may substitute any alternate financial
assurance mechanisms as specified in this subchapter provided that at all
times he or she maintains an effective financial assurance mechanism or combination
of mechanisms that satisfies the requirements of §37.815 of this title
(relating to Amount and Scope of Required Financial Responsibility).
(b) After obtaining alternate financial assurance as specified
in this subchapter, an owner or operator may cancel a financial assurance
mechanism by providing notice to the provider of financial assurance.