1-verify that debtors bills pertaining to sound sales operations (based on the output stores and bills receipt) notes.2-examination of all aspects of a sample of sales operations and a review of customer accounts movement restriction and make sure it has the correct building sales invoices.3-make sure there is a prior study of the situation of financial clients who are granted payment facilities and the need to provide guarantees.4-review of the documentary collections by check through the bank account statements and invoices linking of the indebtedness5-examination of a sample of returns and notices additions and make sure there is diary entry for the returned goods stores and log in to the portal6. make sure you send endorsements for customers to match their assets.7. debt that executed irregular and approvals own review.8. Viewing lawsuits related to arrears and bad debts linked files9-access to detect debt age analysis linked with repayment of credit facilities to customers and provision for doubtful debts10 self-review and make sure workers comply with the instructions governing them and recognized the validity of the financial statements.11. confirm Display accounts receivable in the financial statements and sales in the list of business results.12. Review the assets of some customers during the year according to the movement of the statement you been proving operations is a real movement happening on the purpose of the account is not visible, the customer's account within assets stalled for debt repayment in accordance with the reconstruction program.13. Viewing on the movement of the assets of the customer to make sure not to hold the transfer of certain assets of clients drop out of payment on behalf of other clients in the regular payment or on behalf of new customers for the purpose of concealing some clients for non-defaulting formation Provision for doubtful debts for these clients.14. reviewing the adequacy of the provision for doubtful debts to meet the assets of clients defaulting on payments.15. See comment on the statement and approvals customers differences between funds received from customers and the assets of the company's customers and the deviations between them and their causes.16. Review the discount granted to customers as payment authority and dependence.17. Revision assets abnormal about nature and the reasons for this deviation from the nature of the account.18. Review the extent to which the company's set-off between the assets of the customer with the city Arsthm creditor to indicate whether each account are recognized in accordance with the nature or not.19. measure the rotation rate of the assets of debtors during the year and the average assets of debtors.20. Viewing matches that have been made on the assets of customer accounts during the period examination shop