The authority shall require that each participating hospital institution agree to maintain rates sufficient to assure that timely payments are made on any lease, installment purchase contract or loan agreement entered into pursuant to this act and may require any other type of security from the participating hospital institution that it deems reasonable and necessary. In addition, the authority may require that should there be a deficit in the funds necessary to pay any expenses incurred by the authority in connection with the delivery of the bonds, the hospital institutions receiving funds from such bond issue shall provide the necessary funds to make up for such deficit on a pro rata basis as determined by the authority.