This Recommendation contains the conformance test specification for ISUP'97 APM support of VPN (Virtual Private Network). The main body of this Recommendation presents the test suite structure and test purposes. The annexes present the protocol implementation conformance statements (PICS), the protocol implementation extra information for testing (PIXIT), protocol conformance test report (PCTR) and the ATS for APM support for VPN applications, the latter being available on electronic media only.