The Practical Guide to Contract Procedures for EU External Actions, the PRAG, has been updated and entered in force on January 20th 2012. The changes in the PRAG version 2012 affects mainly the services procedures, in particular the selection of experts.
To see the updated version of the PRAG visit: http://ec.europa.eu/europeaid/eprag
A presentation of changes to the PRAG and a track change version are available at: http://ec.europa.eu/europeaid/work/procedures/implementation/index_en.htm