The following list identifies several important control features. For each control, (1) describe its purpose and (2) explain how it could be best implemented in an integrated ERP system.

• Cancellation of the voucher package by the cashier after signing the check.
• Separation of duties of approving invoices for payment and signing checks.
• Prenumbering and periodically accounting for all purchase orders.
• Periodic physical count of inventory.
• Requiring two signatures on checks for large amounts.
• Requiring that a copy of the receiving report be routed through the inventory stores department prior to going to accounts payable.
• Requiring a regular reconciliation of the bank account by someone other than the person responsible for writing checks.
• Maintaining an approved supplier list and checking that all purchase orders are issued only to suppliers on that list