D.C. Mun. Regs. tit. 20, r. 20-6701
Subject to the limitations of §§ 6701.2 and 6701.3, the owner of a petroleum UST may use any single mechanism or combination of mechanisms listed in §§ 6703 through 6710 to demonstrate financial responsibility under this chapter for one (1) or more USTs.
An owner may use a guarantee or surety bond to establish financial responsibility only if the Office of the Attorney General of the District of Columbia has submitted a written statement to the Department that the guarantee or surety bond executed as described in this chapter is a legally valid and enforceable obligation in the District.
An owner may use self- insurance in combination with a guarantee only if, for the purpose of meeting the requirements of the financial test under §§ 6703 through
6705, the financial statements of the owner are not consolidated with the financial statements of the guarantor.
Subject to the requirements of §§ 6701.5 and 6701.6, an owner may substitute any alternative financial assurance mechanism or combination of mechanisms specified in §§ 6703 through 6710 for a financial assurance mechanism currently in place.
If an owner substitutes an alternative financial mechanism, the owner shall maintain the existing financial assurance mechanism or combination of mechanisms in effect, in compliance with the requirements of § 6700, until the transition to the alternative mechanism or mechanisms is completed.
An owner shall obtain alternative assurance of financial responsibility within thirty (30) days after the owner receives notice of any of the following:
Whenever there is a change in a financial assurance mechanism used to demonstrate financial responsibility, the owner shall update the certification of financial responsibility within thirty (30) days of the change in accordance with §5500.4 and in the form prescribed by Appendix 67-1 (Certification of Financial Responsibility).
D.C. Mun. Regs. tit. 20, r. 20-6701