http://digbig.com/4qknj
"On the 21st December 2006 ACPO, the Association of Chief Police Officers, will sign a National Protocol Agreement (NPA) with the National Missing Persons Helpline, to exchange, handle and respond to the issue of missing persons. This agreement which will be used by police forces in England, Wales and Northern Ireland recognises the important work of each in the area of missing persons and will bring significant benefits to the field."