The Authority shall fix, revise, charge and collect rents for the use of each health facility owned by the Authority and contract with any person, partnership, association or corporation, or other body, public or private, in respect thereof. Each lease entered into by the Authority with a participating health institution and each agreement, note, mortgage or other instrument evidencing the obligations of a participating health institution to the Authority shall provide that the rents or principal, interest and other charges payable by or for the benefit of the participating health institution or the process of accounts receivable purchased by the Authority from the participating health institution shall be sufficient at all times, (a) to pay its share of the administrative costs and expenses of the Authority, (b) to pay the cost of maintaining, repairing and operating the project and other related health facilities and each and every portion thereof, (c) to pay the principal of, the premium, if any, and the interest on outstanding bonds of the Authority issued in respect of such project as the same shall become due and payable, and (d) to create and maintain reserves which may but need not be required or provided for in the bond resolution relating to such bonds of the Authority. The Authority shall pledge the revenues derived and to be derived from a project or other related health facilities or from a participating health institution or an affiliate thereof for the purposes specified in (a), (b), (c) and (d) of the preceding sentence and additional bonds may be issued which may rank on a parity with other bonds relating to the project to the extent and on the terms and conditions provided in the bond resolution. Such pledge shall be valid and binding from the time when the pledge is made; the revenues so pledged by the Authority shall immediately be subject to the lien of such pledge without any physical delivery thereof or further act and 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. Neither the bond resolution nor any financing statement, continuation statement or other instrument by which a pledge is created or by which the Authority's interest in revenues is assigned need be filed or recorded in any public records in order to perfect the lien thereof as against third parties except that a copy of the bond resolution shall be filed in the records of the Authority and with the Secretary of State.
20 ILCS 3501/840-25