How do you control urgent purchasing made with petty cash by purchasing runner?

- Limit the amount of pettty cash (to suit your business)

- Limit the amount per purchase

- Define its use (what could be purchased)

first identify impotant purchasing which is use in direct material and see the cash if it is sufficient so purchas it. if purchas list is contain many product so you need to  screening all item as per cash availability and made purchase. if all item is required so need to manage remaining cash

Review petty cash  every2 weeks , check  at randome prices of item purchases

Check with the requester and, if items purchased  repeat  enough  , make annual contract and negotiate with supplier  to fix. Price and get discount , inform supplier  that you will get these items on monthly basis and to be paid by cheque atmonth end