Ind. Code § 5-20-1-10

Sec. 10. Pledge of Authority Assets to Obligations of the Authority. The pledge of any assets or revenues of the authority to the payment of the principal of, premium, if any, and interest on any obligations of the authority shall be valid and binding from the time when the pledge is made, and any such assets or revenues shall immediately be subject to the lien of such pledge without any physical delivery thereof or further act. The lien of any such pledge shall be valid and binding as against all parties having claims of any kind in tort, contract or otherwise against the authority, irrespective of whether such parties have notice thereof.