This trading option is covered by Article 9 of the MEFF Regulations and developed in the circulars:
This Trading Option is covered by Article 7.5 of the MEFF Regulations. Trades that are agreed directly between Members, or between the Member and their Clients, or between certain Clients of a Member.
These trades must meet certain price and volume conditions to be accepted by MEFF. These conditions are regulated by the Agreed Trades Circular and will be supervised by MEFF.