Grantor will comply promptly with all laws, ordinances, regulations and orders of all public authorities having jurisdiction over the Property relating to the use, occupancy and maintenance thereof, and shall upon request promptly submit to the Bank evidence of such compliance. Nothing herein shall be deemed to prohibit Grantor from contesting the enforceability or applicability of any law, ordinance, regulation or order; provided, however, that the Bank, in its sole discretion, may require that Grantor comply with any such law, ordinance, regulation or order during the pendency of any such contest and all appeals therefrom. Grantor will not permit the Property or any portion thereof to be used for any unlawful purpose.