Per TWRA 2004 Fishing Regulations:
Umbrella rig restriction - Umbrella rigs are defined as an array of more than 3 artificial lures or baits (with or without hooks) used by a single rod and reel combination. If the hook size is 6 or larger, then only one lure or bait may have a hook and that hook must be a single hook.
Fisheries Division - 615-781-6575, Clear as mud now. lol