The ITU-T M.3170.x series of Recommendations provide the multi-technology network management interface. Recommendation ITU-T M.3170.4 specifies the conformance testing specifications associated with it, and provides the principals for the conformance testing of the MTNM interface, the testing methodology that will be used for the conformance testing of the MTNM interface, the scope and contents that will be tested for the ITU-T M.3170.x series of Recommendations, and the ICS proforma definitions for the MTNM IDL interface.