As we all know, the moment we count the change to the customers is critical. So we must execute it properly, ensuring that they receive the correct amount of money and that we do not lose any money. The first step of working on the cash register is to check its balance of cash.
Note that the manager's presence is requested when verifying the balance of the drawer since only the manager other than you will have access to it during the shift.
Source: Small Business - Teaching Your New Employee How to Count Money