WHAT IS THE BA SIS FO R THE EN IERGE NCE, CHANGE AND T ERMIN ATION OF E NT RELA TIONSI -IIPS Legal composition Employme nt contract Legal fact Administrat ive act

The correct answer is "Administrative act." The basis for the establishment, change, and termination of employment relationships is typically governed by administrative acts. These acts outline the rules and procedures for employment, including the conditions under which relationships can be established, modified, or terminated.