(a) An association shall provide an electronic photofinish device with mirror image to photograph the finish of each race and record the time of each horse or greyhound in at least hundredths of a second.(b) The association may use an additional, more exact time measurement device.(c) The association shall maintain an auxiliary photofinish device in case of an emergency.(d) The location and operation of the photofinish device must be approved by the executive secretary before its first use in a race.(e) The association shall, upon request, make available for viewing the photofinish of each race for win, place, or show in a designated area accessible to the public.(f) The association shall ensure that the photofinish device is calibrated before the first day of each race meeting and at other times as required by the executive secretary.