I'm not sure what exactly this is, but I've been behind people a few times where they are using some kind of elaborate coupons that the cashier has to double ch

I'm not sure what exactly this is, but I've been behind people a few times where they are using some kind of elaborate coupons that the cashier has to double check and compare to the items and it takes literally 5+ minutes to go through it all. Maybe food stamps. But it is really frustrating. Regular coupons can just be instantly scanned by the bar code reader and take no time at all.