When the employees of a workshop, department or team, within the meaning of article D. 3171-7, do not work according to the same posted collective working timetable, the working time of each employee concerned is counted according to the following procedures:
1° Daily, by recording, by any means, the start and end times of each work period or by recording the number of hours worked;
2° Each week, by summarising by any means the number of hours worked by each employee.