tokens: The MPON reports the meter operation to the GO . The GO examines the application of the MPON . The GO rejects the application of the MPON or the GO confirmes the application of the MPON . The GO informs the MPOO about the registration confirmation of the MPON . The GO informs the MSPO about the registration confirmation of the MPON . The MPON and the MPOO perform the equipment acquisition and / or equipment changes . The MPON informs the GO about the failure of the entire process or the MPON informs the GO about the successful completion of the entire process . The GO informs the MPON about the failure of the overall transaction by deadline if after a maximum time limit no message of the MPON is present at the GO . If the MPON informs the GO about the failure of the entire process , the GO confirms the failure of the assignment to the MPON . If the MPON informs the GO about the successful completion of the overall process , the GO assigns the MPON . The GO confirms the assignment to the MPON . The GO informs the MPOO about the failure of the assignment of the MPON or the GO informs the MPOO about the assignment of the MPON . The GO informs the MSPO about the failure of the assignment of the MPON or the GO informs the MSPO about the assignment of the MPON . The GO informs the SP about the assignment of the MPON .