Audit Evidence Chapter 7 Generally Accepted Auditing Standards Third Standard of Field Work Sufficient competent evidential matter is to be obtained through inspection, observation, inquiries, and confirmations to afford a reasonable basis for an opinion regarding the financial statements under audit. Audit Evidence Decisions 1. Which audit procedures to use 2. What sample size to select for a given procedure 3. Which items to select from the population 4. When to perform the procedures Audit Program It includes a list of the audit procedures the auditor considers necessary. Sample sizes Items to select Timing of the tests Most auditors use computers to facilitate the preparation of audit programs. Persuasiveness of Evidence Competence and sufficiency are determinants of the persuasiveness of evidence. Factors affecting competence include: Relevance to audit objective Independence of provider Effectiveness of internal controls Auditor’s direct knowledge Qualifications of providers Degree of objectivity Timeliness Table 7-2, (p. 167) Types of Audit Evidence 1. 2. 3. 4. 5. 6. 7. Physical examination (tangible assets) Confirmation (positive and negative) Documentation Analytical procedures Inquiries of the client Reperformance Observation Confirmations and Information Often Confirmed Confirmations may be positive or negative. Procedures for non-response positives Information Source Assets Cash in bank (example) Accounts receivable Notes receivable Owned inventory out on consignment Inventory held in public warehouses Cash surrender value of life insurance Bank Customer Maker Consignee Warehouse Insurance co. Information Often Confirmed Information Source Liabilities Accounts payable Notes payable Advances from customers Mortgages payable Bonds payable Creditor Lender Customer Mortgagor Bondholder Information Often Confirmed Information Owners’ Equity Shares outstanding Other Information Insurance coverage Contingent liabilities Bond indenture agreements Collateral held by creditors Source Registrar and transfer agent Insurance co. Bank, lender, and clients legal counsel Bondholder Creditor Other Forms of Evidence Documentation – Client’s documents and records Internal vs. External documents Tracing vs. Vouching – see next slide Tracing vs. Vouching (Figure 6-7 is from another text) Inspection of Documents or Records Vouching Tracing Note: students should understand the differences between tracing and vouching. Reliability of Documentary Evidence (Figure 6-5 is from another text) Other Forms of Evidence: Analytical procedures Importance of context – understanding the client’s business and industry Analytical procedures are used for: • Assessing going concern • Finding possible misstatements in the financials • Reducing detailed audit tests Other Forms of Evidence Inquiries of the client – written or oral Reperformance – verifying calculations or information processing Observation Competence of Types of Evidence, Table 7-4 (p. 172) Terms and Types of Evidence, Table 7-6, (p. 175) Terms Type of Evidence Examine Scan Read Compute Recompute Foot Documentation Analytical procedures Documentation Analytical procedures Reperformance Reperformance Terms and Types of Evidence Terms Type of Evidence Trace Documentation/ Reperformance Documentation Physical examination Observation Inquiries of client Documentation Compare Count Observe Inquire Vouch Audit Documentation Audit documentation is the principal record of auditing procedures applied, evidence obtained, and conclusions reached by the auditor in the engagement. Audit Documentation Purposes of audit documentation – primary means to support that the audit was conducted in accordance with GAAS. Ownership of audit files Confidentiality of audit files – rule 301, chapter 4. Sarbanes-Oxley Act The Sarbanes-Oxley Act requires auditors of public companies to prepare and maintain audit working papers for a period of no less than seven years. Audit File Contents and Organization Financial Statements and Audit Report Robinson Associates Trial Balance 12/31/05 Cash Accounts Receivable Prepaid Insurance Interest Receivable $165,237 275,050 37,795 20,493 Working Trial Balance Adjusting Journal Entries Contingent Liabilities Analytical Procedures Test of Controls & Substantive TOT Internal Control General Information Operations Liabilities and Equity Assets Audit Programs Permanent Files Permanent Files These files are intended to contain data of a historical or continuing nature pertinent to the current audit. Examples include: • Articles of incorporation • Loan agreements • Documents related to understanding I/C • Leases Current Files Audit program General information Working trial balance Adjusting and reclassification entries Supporting schedules Relationship of Audit Documentation to Financial Statements FINANCIAL STATEMENTS Cash 122 Acc. …………………. WORKING TRIAL BALANCE Prelim. AJE’s Final Cash 212 (90) 122 LEAD SCHEDULE – CASH Per G/L Petty Cash A-2 5 Cash in Bank: General A-3 186 Payroll A-4 21 212 AJE’s Expense 90 Cash AJE’s (90) (90) 90 A-1 Final 5 96 21 122 Relationship of Audit Documentation to Financial Statements LEAD SCHEDULE – CASH Per G/L Petty Cash A-2 5 Cash in Bank: General A-3 186 Payroll A-4 21 212 A-2 Cash Count Sheet A-3/1 Confirmation A-3 Bank Reconciliation A-3/2 O/S Check List AJE’s (90) (90) A-1 Final 5 96 21 122 A-4 Bank Reconciliation A-4/1 Confirmation A-4/2 O/S Check List Types of Supporting Schedules Analysis Trial balance or list Reconciliation of amounts Tests of reasonableness Types of Supporting Schedules Summary of procedures Examination of supporting documents Informational Outside documentation Characteristics of Audit Documentation Each audit file should be properly identified. Documentation should be indexed and cross-referenced. Completed documentation must clearly indicate the audit work performed. It should include sufficient information. It should plainly state the conclusions reached. Effect of E-commerce Audit evidence is increasingly in electronic form. Auditors must evaluate how electronic information affects their ability to gather evidence. Auditors use computers to read and examine evidence. Software programs are typically Windows-based.