When computing the mass of passengers and baggage:

1. Personal belongings and hand baggage must be included
2. Infants must be classified as children it they occupy a seat
3. Standard masses include infants being carried by an adult
4. Table 1, Table 2 and Table 3 must be used as appropriate if using standard masses for passengers and freight
5. Weighing must be carried out immediately prior to boarding and at an adjacent location