Since their implementation, the International Financial Reporting Standards (IFRS) allow harmonizing accounting criteria and strengthening the presentation of financial information without borders in the world, in the same way in each country tax regulations are key not only for the development of States, but for compliance with tax requirements in this scenario, knowing both international regulations and tax regulations becomes essential for each accounting professional. On-board research as the main objective is to identify the relationship between the level of knowledge in international accounting regulations and the level of of knowledge in tax regulations in public accountants in the city of Iquitos, year 2022, with a descriptive methodology and correlational non-experimental design, which included 94 public accountants in the city of Iquitos as a study population, the investigation...