Ethnics in the civil service system is a key element of public administration and public trust in government institutions. International organizations, in particular the Organization for Economic Cooperation and Development (OECD), have proposed systematized principles for managing ethics in the civil service, and later the concept of public integrity, covering the entire public sector and its interactions with civil society. Currently, OECD documents serve as guidelines for national legal regulation and regulatory practice in various countries. The article analyzes the implementation of this principles and the concept within civil service legislation and its enforcement practices in Singapore and Malaysia, identifying their strength and weaknesses. On this basis, recommendations are formulated for adapting this experience in the Republic of Kazakhstan.