Audit evidences
The Definition of Audit Evidence
Audit
evidence is all information that supports the numbers or other information
presented in the financial statements, which can be used by the Auditor as a
reasonable basis to state his Opinion.
Auditing
evidence is the information collected by an auditor to ascertain the accuracy
and compliance of a company's financial statements. The auditing evidence is
meant to support the company's claims made in the financial statements and
their adherence to the accounting laws of their legal jurisdiction.
Sufficient
audit evidence must be obtained through inspection, observation, inquiry and
confirmation as a sufficient basis for expressing an opinion on the audited
financial statements.
How do auditors measure the
appropriateness of audit evidence?
Appropriateness
is the measure of the quality of audit evidence; that is, its relevance
and its reliability in providing support for the conclusions on which
the auditor’s opinion is based. The reliability of evidence is influenced by
its source and by its nature, and is dependent on the individual circumstances
under which it is obtained.
Relevance
Relevance
deals with the logical connection with, or bearing upon, the purpose of the
audit procedure and, where appropriate, the assertion under consideration. The
relevance of information to be used as audit evidence may be affected by the
direction of testing. For example, if the purpose of an audit procedure is to
test for overstatement in the existence or valuation of accounts payable,
testing the recorded accounts payable may be a relevant audit procedure. On the
other hand, when testing for understatement in the existence or valuation of
accounts payable, testing the recorded accounts payable would not be relevant,
but testing such
information
as subsequent disbursements, unpaid invoices, suppliers’ statements, and
unmatched receiving reports may be relevant.
Reliability
The
reliability of information to be used as audit evidence, and therefore of the
audit evidence itself, is influenced by its source and its nature, and the
circumstances under which it is obtained, including the controls over its
preparation and maintenance where relevant. Therefore, generalizations about
the reliability of various kinds of audit evidence are subject to important
exceptions. Even when information to be used as audit evidence is obtained from
sources external to the entity, circumstances may exist that could affect its
reliability. For example, information obtained from an independent external
source may not be reliable if the source is not knowledgeable, or a
management’s expert may lack objectivity. While recognizing that exceptions may
exist, the following generalizations about the reliability of audit
evidence may be useful:
• The
reliability of audit evidence is increased when it is obtained from independent
sources outside the entity.
• The
reliability of audit evidence that is generated internally is increased when
the related controls, including those over its preparation and maintenance,
imposed by the entity are effective.
Why do Auditors need Audit
Evidences ?
Audit
evidence is necessary to support the auditor’s opinion and report. It is
cumulative in nature and is primarily obtained from audit procedures performed
during the course of the audit. It may, however, also include information
obtained from other sources such as previous audits (provided the auditor has
determined whether changes have occurred since the previous audit that may
affect its relevance to the current audit) or a firm’s quality control
procedures for client acceptance and continuance.
In addition
to other sources
Inside
and outside the entity, the entity’s accounting records are an important source
of audit evidence. Also, information that may be used as audit evidence may
have been prepared using the work of a management’s expert. Audit evidence
comprises both information that supports and corroborates management’s
assertions, and any information that contradicts such assertions.
In
addition, in some cases the absence of information (for example, management’s
refusal to provide a requested representation) is used by the auditor, and
therefore, also constitutes audit evidence.
Sources
of Audit Evidence
Some
audit evidence is obtained by performing audit procedures to test the
accounting records, for example, through analysis and review, reperforming
procedures followed in the financial reporting process, and reconciling related
types and applications of the same information. Through the performance of such
audit procedures, the auditor may determine that the accounting records are
internally consistent and agree to the financial statements.
More
assurance is ordinarily obtained from consistent audit evidence obtained from
different sources or of a different nature than from items of audit evidence
considered individually. For example, corroborating information obtained from a
source independent of the entity may increase the assurance the auditor obtains
from audit evidence that is generated internally, such as evidence existing
within the accounting records, minutes of meetings, or a management
representation.
Information
from sources independent of the entity that the auditor may use as
audit
evidence may include confirmations from third parties, analysts’ reports, and
comparable data about competitors (benchmarking data).
How do Audit Procedures for
Obtaining Audit Evidence?
Inspection
Inspection
involves examining records or documents, whether internal or external, in paper
form, electronic form, or other media, or a physical examination of an asset.
Inspection of records and documents provides audit evidence of varying degrees
of reliability, depending on their nature and source and, in the case of
internal records and documents, on the effectiveness of the controls over their
production. An example of inspection used as a test of controls is inspection
of records for evidence of authorization.
Observation
Observation
consists of looking at a process or procedure being performed by others, for
example, the auditor’s observation of inventory counting by the entity’s
personnel, or of the performance of control activities. Observation provides
audit evidence about the performance of a process or procedure, but is limited
to the point in time at which the observation takes place, and by the fact that
the act of being observed may affect how the process or procedure is performed.
For further guidance on observation of the counting of inventory.
External
Confirmation
An
external confirmation represents audit evidence obtained by the auditor as a
direct written response to the auditor from a third party (the confirming
party), in paper form, or by electronic or other medium. External confirmation
procedures frequently are relevant when addressing assertions associated with
certain account balances and their elements. However, external confirmations
need not be restricted to account balances only. For example, the auditor may
request confirmation of the terms of agreements or transactions an entity has
with third parties; the confirmation request may be designed to ask if any
modifications have been made to the agreement and, if so, what the relevant
details are. External confirmation procedures also are used to obtain audit
evidence about the absence of certain conditions, for example, the absence of a
“side agreement” that may influence revenue recognition.
Recalculation
Recalculation
consists of checking the mathematical accuracy of documents or records.
Recalculation may be performed manually or electronically.
Reperformance
Reperformance
involves the auditor’s independent execution of procedures or controls that
were originally performed as part of the entity’s internal control.
Analytical
Procedures
Analytical
procedures consist of evaluations of financial information through analysis of
plausible relationships among both financial and non-financial data. Analytical
procedures also encompass such investigation as is necessary of identified
fluctuations or relationships that are inconsistent with other relevant information
or that differ from expected values by a significant amount.
Inquiry
Inquiry
consists of seeking information of knowledgeable persons, both financial and
non-financial, within the entity or outside the entity. Inquiry is used extensively
throughout the audit in addition to other audit procedures. Inquiries may range
from formal written inquiries to informal oral inquiries. Evaluating responses
to inquiries is an integral part of the inquiry process.
The
company need to hire Auditor External’s Service in order to audit the company’s
financial statement and internal company to spot mistake or reduce risk.
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