Mae'n bwysig bod pawb yn parchu ac yn cadw at reolau pob gwlad, ble bynnag y maent yn dewis treulio cyfnod yr ŵyl. Os bydd unrhyw amrywiadau, cânt eu hamlinellu mewn canllawiau.
It is important that everyone respects and abides by the rules of each nation, wherever they choose to spend the festive period. Where there are variations, these will be set out in guidance.