1. Record all income immediately. Use cash registers in cash sales processes. Noting the totals of these daily.
2. In credit sales processes, prepare a collection list and file a copy of the list with the purpose of comparing it with deposit cards and income policies.
3. Deposit intact income daily.
4. Make all payments with prenumbered checks or transfers with reference, except minor expenses that can be disbursed through petty cash.
5. Entrust the fund to a single person.
6. Reconcile the bank accounts each month, filing a copy of the reconciliations.
7. Use prenumbered orders for all purchase operations.
8. Register the receipt of merchandise, through a prenumbered receipt relationship.
9. Prepare checks in favor of suppliers, only for the payment of approved invoices (and that have been purchased with the orders and merchandise receipt list).
10. Prepare prenumbered invoices for all shipments of merchandise to customers.
11. Reconcile the May accounts with the corresponding auxiliaries in regular periods.
12. Prepare comparative financial statements each month to determine significant variations in any category of income or expenses.
Types of internal control by cycles
Of the treasury cycle
"Internal Control", VALENCIA RODRÍGUEZ, Joaquín. Editorial Trillas.
