The load profile data shall be an average value measured in each 15-minute period, and the timestamp shall be done at the end of each period. The maximum demand recorded in the load profile data shall be the same with the maximum demand shown on the register unit. The detail of load profile data shall be according to ANNEX 2: Table 5B and Table 6B for 1-phase and 3-phase meters respectively. The load profile status shall be according to ANNEX 2: Table 7B. The load profile data shall be stored in non-volatile memory. The storage capacity of the memory shall be able to store the data of each channel for not less than 45 days. 1c.5.2 Maximum demand zero reset The maximum demand shall be able to be reset with supporting software. 1c.5.3 Tampering detection and alarms for 1-phase meters The 1-phase meters shall have the following tampering detection features and shall be able to record