Subject to the Budget covenant in Section 6.22, including Permitted Variances, and any necessary Bankruptcy Court approval, comply, and cause each of its Subsidiaries to comply, in all material respects with all Requirements of Law, including (a) the Natural Gas Policy Act of 1978, as amended, (b) Environmental Laws, and (c) all permits, licenses, registrations, approvals and authorizations (i) related to any natural or environmental resource or media located on, above, within, in the vicinity of, related to or affected by any of its Property, (ii) required for the performance or conduct of its operations, or (iii) applicable to the use, generation, handling, storage, treatment, transport or disposal of Hazardous Substances; and cause all of its employees, agents, contractors, subcontractors and future lessees (pursuant to appropriate lease provisions), while such Persons are acting within the scope of their relationship with the Borrower or such Subsidiary, as the case may be, to comply in all material respects with all applicable Requirements of Law as may be necessary or appropriate to enable the Borrower or such Subsidiary, as the case may be, to so comply.