This technical report specifies Test items and conditions for compatibility confirmation of Radio paging receiver based on FLEX-TD method specified by ARIB Standard RCR STD-43. This test procedure is requested to perform on every type approval with and /or without standard options. In precedent of this test, it is premised that conformity confirmation of this ARIB Standard should be done on each stage such as development or production by manufacture. This report also specifies two test cases. One is the test with a compatibility confirmation tester, the other is the test with a network compatibility confirmation tester.