MODEL OF APPLICATION OF AN AUDITOR PROFESSIONAL JUDGMENT IN THE PROCESS OF ORGANIZATION OF SELECTIVE VERIFICATION

The purpose of the article is to study the organization of sample audits in the context of International Standards on Auditing, and the peculiarities of the application of professional judgment of the auditor in the audit sampling process. The study was conducted using the analysis and generalization of the views of scientists, the provisions of International Standards on Auditing on the nature and organization of the audit sample in order to model the process of applying the professional judgment of the auditor during the sample audit. As a result of researches the expediency of application of sample check in audit is proved; approaches and methods to the organization of sample research are allocated; the peculiarities of the organization of the audit sample according to ISA 530 «Audit sample» are considered; the set of factors influencing the sample size for tests of control measures and for tests of details according to ISA is singled out. On the basis of the conducted researches the model of application of professional judgment of the auditor in the course of sample check is formed. It is determined that the auditor uses his own professional judgment in the process of organizing a sample audit: when analyzing the factors for choosing between continuous and sample audits; choosing the approach to the sample check; justifying the choice of non-statistical sampling method; at the planning stage; when determining the sample size; at the stage of selection of elements to be checked; when checking selected items; at the stage of evaluation of inspection results. The scientific novelty of the study is to identify the place and importance of professional judgment of the auditor in the process of organizing a sample audit. The results of the research can be used to develop internal auditing standards, guidelines for organizing a sample audit for practicing auditors.