Each of the Loan Parties shall not, and shall not permit any of its Unregulated Subsidiaries (other than Project Subsidiaries) to, at any time create, incur, assume or suffer to exist any Lien on any of its property or assets, tangible or intangible, now owned or hereafter acquired, or agree or become liable to do so, except Permitted Liens and extensions or renewals of Permitted Liens; provided in each case that the Indebtedness secured thereby is not restricted under Section 8.2.1 [Indebtedness].