Sec. 3.304. OVERDUE INSTRUMENT. (a) An instrument payable on demand becomes overdue at the earliest of the following times:(1) on the day after the day demand for payment is duly made;(2) if the instrument is a check, 90 days after its date; or(3) if the instrument is not a check, when the instrument has been outstanding for a period of time after its date that is unreasonably long under th