Section 60 ILCS 1/35-50.5 - Rules and regulations; rates and charges; use of revenues from operation(a) The township board of any township availing itself of Sections 35-50.1 through 35-50.6 may (i) make, enact, and enforce all needful rules and regulations for the acquisition, construction, extension, improvement, equipping, management, and maintenance of the senior citizens' housing of the township and for the use thereof, (ii) make, enact, and enforce all needful rules, regulations, and ordinances for the care and protection of the senior citizens' housing that may be conducive to the preservation of the public health, comfort, and convenience and to providing the senior citizens' housing, and (iii) charge the residents of the senior citizens' housing a reasonable rent, rate, or charge for the privilege of residing in or using the senior citizens' housing.(b) The rents, rates, or charges shall be sufficient at all times to (i) pay the cost of operating and maintaining the senior citizens' housing, (ii) provide an adequate depreciation fund if deemed necessary by the township board, and (iii) pay the principal of and interest on all revenue bonds issued under Sections 35-50.1 through 35-50.6. Rents, rates, and charges shall be established, revised, and maintained by ordinance and become payable as the township board determines by ordinance.(c) Whenever revenue bonds are issued under Sections 35-50.1 through 35-50.6, sufficient revenue derived from the operation of senior citizens' housing shall be deposited into a separate fund, designated as the Senior Citizens' Housing Fund of the township. It shall be used only (i) to pay the cost of maintenance and operation of the senior citizens' housing, (ii) to provide an adequate depreciation fund if deemed necessary by the township board, and (iii) to pay the principal of and interest on the revenue bonds of the township issued under Sections 35-50.1 through 35-50.6.