Referencia	Título	Categoría
ISO/TC 204	Intelligent transport systems	B
ISO/TC 269	Railway applications	B
ISO/TC 283	Occupational health and safety management	B
ISO/TC 204/WG 8	Public transport/emergency	C

Notas

Liaisons A: Organizations that make an effective contribution to the work of the technical committee or subcommittee for questions dealt with by this technical committee or subcommittee. 
Liaisons B: Organizations that have indicated a wish to be kept informed of the work of the technical committee or subcommittee. 
Liaisons C: Organizations that make a technical contribution to and participate actively in the work of a working group.