142 PUBLIC LAWS-CH. 71-APR . 12 , 1941 [55 STAT. provide a sinking fund sufficient to pay the principal and interest of such bonds as the same shall fall due and the redemption or repur- chase price of all or any thereof redeemed or repurchased before maturity as herein provided. All tolls and other revenues from said bridge are hereby pledged to such uses and to the application thereof as hereinafter in this section required. After payment or provision for payment therefrom of all such cost of maintaining, repairing, and operating and the reservation of an amount of money estimated to be sufficient for the same purpose during an ensuing period of not more than six months, the remainder of tolls collected shall be placed in the sinking fund, at intervals to be determined by the commission prior to the issuance of the bonds. An accurate record of the cost of the bridge and its approaches; the expenditures for maintaining, repairing, and operating the same; and of the daily tolls collected, shall be kept and shall be available for the information of all persons Classification of interested. The commission shall classify in a reasonable way all traf c . traffic over the bridge, so that the tolls shall be so fixed and adjusted by it as to be uniform in the application thereof to all traffic falling within any such reasonable class, regardless of the status or character of any person, firm, or corporation participating in such traffic, and shall prevent all use of such bridge for traffic except upon payment Toll exemptions of the tolls so fixed and adjusted. No toll shall be charged officials or employees of the commission or the Government of the United States or any State, county, or municipality in the United States while in the discharge of their duties, or municipal police or fire departments when engaged in the proper work of any such department. nMaintenance of fer- S],o. 6. Nothing herein contained shall require the commission or its successors to maintain or operate any ferry or ferries purchased here- under, but in the discretion of the commission or its successors any ferry or ferries so purchased, with the appurtenances and property thereto connected and belonging, may be sold or otherwise disposed of or may be abandoned and/or dismantled whenever in the judgment of the commission or its successors it may seem expedient so to do. The commission and its successors may fix such rates of toll for the use of such ferry or ferries as it may deem proper, subject to the same condi- tions as are hereinabove required as to tolls for traffic over the bridge. s of tolls etc. All tolls collected for the use of the ferry or ferries and the proceeds of any sale or disposition of any ferry or ferries shall be used, so far as may be necessary, to pay the cost of maintaining, repairing, and operating the same, and any residue thereof shall be paid into the sinking fund hereinabove provided for bonds. An accurate record of the cost of purchasing the ferry or ferries; the expenditures for main- taining, repairing, and operating the same; and of the daily tolls col- lected shall be kept and shall be available for the information of all persons interested. CioneyatnceorCom- SEC. 7. After payment of the bonds and interest, or after a sinking tatesio fund sufficient shall have been provided and shall be States. fd sufficient for such payment shall have been provided and shall be held for that purpose, the commission shall deliver deeds or other suitable instruments of conveyance of the interest of the commission in and to the bridge, that part within Illinois to the State of Illinois or any municipality or agency thereof as may be authorized by or pursuant to law to accept the same (hereinafter referred to as the Illinois interests) and that part within Indiana to the State of Indiana or any municipality or agency thereof as may be authorized by or pursuant to law to accept the same (hereinafter referred to as the Indiana interests) under the condition that the bridge shall thereafter be free of tolls and be properly maintained, operated, and repaired by the Illinois interests and the Indiana interests, as may be agreed upon;
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