tokens: The MPOO deregisters at the GO . The GO verifies the deregistration . The GO rejects the deregistration of the MPOO or the GO preliminarily confirms the deregistration of the MPOO . The GO prepares the readmission of the measuring point . Optionally , the GO may oblige the MPOO to continue the operations . If the GO binds the MPOO to continue the operation , the MPOO confirmes the continuation to the MPOO . The GO performs the equipment acquisition and / or equipment changes . The GO assigns the GO as MPO . The GO informs the MPOO about the end of the assignment of the MPOO and the beginning of the assignment of the GO . The GO informs the MSPO about the assignment of the GO . The GO informs the SP about the assignment of the GO .