how hold does a child have to be to sit in the front seat
If a child restraint is not available, children under 3 years must travel in the rear, but may be unrestrained. Children 3 years and over, up to 135cm tall must sit in the rear and use an adult seat belt. Children aged 12 years or more, or over 135cm tall, may travel the front, but must wear the seat belt. (See the Other Vehicles section).