This scientific article explores the development of periodic cost accounting in business entities, with a particular focus on its alignment with international standards of financial accounting. The adoption of International Financial Reporting Standards (IFRS) has significantly impacted the way businesses account for costs and expenses, emphasizing transparency and consistency in financial reporting. This article discusses the evolution of cost accounting, the importance of periodic cost accounting in modern business operations, and the convergence of cost accounting practices with international financial reporting requirements. Keywords: Periodic Cost Accounting, International Financial Reporting Standards (IFRS), Cost Allocation, Transparency, Comparability, Consistency, Financial Reporting, Cost Accounting Practices, Capitalization of Costs