This POS option in Options Configuration determines if the Use Code field defaults to the last use code entered when adding use codes to an estimate in POS.
Use Codes are an option you have when posting items to estimates or orders. You enter use codes in the Code field on the posting screen. You code items on an estimate or order according to when, how, or where they will be used.
Y = The Use Code field defaults to the last use code entered on an estimate.
N = The Use Code field is left blank.