5.33 The testing of computer-assisted procedures during planning will expedite the processing of interim or year-end data. For example, if the audit team plans to use IDEA to select a sample of December accounts receivable balances, they should obtain a copy of the October or November data file; define the record layout in IDEA, if necessary; reconcile control totals and prepare the layout of any confirmation forms to be used well before the December amounts are available. Testing is particularly important the first time IDEA is used