I. Prior to use all VLTs must have been tested by an independent testing laboratory and approved by the commission to ensure integrity and proper working order.
II. No VLT shall be operated except within the facility of an eligible VLT licensee during the facility's approved hours of play of charitable games.
III. VLTs shall operate to ensure a minimum average daily aggregate payback of 88 percent computed for all VLTs operated at each facility on a quarterly basis.
IV. VLTs shall operate to ensure a minimum average daily aggregate payback of 88 percent computed for all VLTs operated at each facility on a quarterly basis, except for machines that are tied to a wide-area progressive link, which shall have minimum average daily aggregate payback of 80 percent. For historic horse racing pools authorized by RSA 284:22-b tied to a wide-area progressive link, the commission on such pools shall be set at a rate no greater than 20 percent.