Noun
co-decision (uncountable)
(law) A procedure, in the European Union, that requires consensus to be reached between the Council and the Parliament for legislation to be adopted
It monitors and co-ordinates work and deals with the Parliament on co-decision legislation. citation It is divided into two groups of the representatives (Coreper II) and their deputies (Coreper I). Source: Internet
For that reason both types of bodies have advisory councils which have advisory and co-decision authorities. Source: Internet
The President's signature is required for all acts adopted by co-decision, including the EU budget. Source: Internet