tokens: The MPON notifies the MPOO about equipment change intentions . The MPOO announces self dismounting to the MPON or the MPOO shall notify the MPON about no self-dismounting of the MPOO . The MPON or the MPOO perform the final reading . The MPON or the MPOO dismount the old equipment . The MPON mounts the new device . The MPON reads the meter count from the installed meter . The MPON sents the values of the final reading to the GO . The MPON tells the GO about the device changes , the master data and the meter count at installation . The GO shall notify the MSP about the device changes , the master data , the meter count at dismounting , and the meter count at installation .