Recommendation ITU-T G.8350 specifies management and control requirements and a protocol-neutral management information model for managing metro transport networks and their elements. Amendment 1 contains the modifications: - to update the information model on MTNP and MTNS layer network in clause 13 and model file in clause 14. - to remove cLOBA related requirements in clause 7 to align with G.8321 (11/2022) . - to remove the power monitoring and control in clause 8.14 to align with G.7710 (2020) Amd.1 (11/2022).