Ex-Arzobispado No. 29 Col. Observatorio, CP
Apartado Postal 18879
11860 México D.F.
Mexico

Tel: +52 55 5277 5791 / +52 55 5277 5888 / +52 55 5515 1910
Fax: +52 55 5271 6172
E-mail: secretariageneral@ipgh.org
Website: www.ipgh.org.mx


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.