To test the client's list of outstanding checks on the bank reconciliation for completeness, the auditor should trace from the list to the checks included with the cutoff bank statement.

A cash audit is a way to ensure the accuracy of cash transactions, and is done by checking the opening balances and transactions of the year.  Here are some steps for auditing cash balances: Review cash receipts and payments: This includes the cash book and general ledger. Reconcile cash balances: This includes comparing the balances at the beginning and end of the period. Trace cash flows: This includes to the income statement and balance sheet. Evaluate cash flow: This includes its reasonableness and completeness. Test mathematical accuracy: This includes the presentation of the cash... Show more

A cash audit is a way to ensure the accuracy of cash transactions, and is done by checking the opening balances and transactions of the year. 

Here are some steps for auditing cash balances:
Review cash receipts and payments: This includes the cash book and general ledger.
Reconcile cash balances: This includes comparing the balances at the beginning and end of the period.
Trace cash flows: This includes to the income statement and balance sheet.
Evaluate cash flow: This includes its reasonableness and completeness.
Test mathematical accuracy: This includes the presentation of the cash flow statement. 

Other procedures include:
Comparing to prior years' cash balances
Identifying receipts of the next accounting period
Investigating long outstanding cheques
Calling confirmation: This includes ensuring that the bank confirms all balances and related items
Testing the translation process: This includes independently calculating the cash balance using the exchange rate in effect at 12/31 

Some common controls over cash include: Segregation of duties, Authorization, and Regular bank reconciliation. 

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