Input (grade 13): Although long-standing allies of the larger and more prominent Labor Party, the Co-operative Party is legally a separate political organization and members of the Co-operative Party do not have to join the Labor Party.
Output (grade 10): It is the political part of the wider British co-operative movement, and all members of the party must be members of a co-operative business. Those who want to stand for election must also be members of the Labor Party.