The WaCo is a committee to support the Board. The tasks that are normally carried out by the Commissioner Walhalla and Treasurer of Het Walhalla. These task include ordering new supplies, making sure Het Walhalla is cleaned and handling the financials. The members often include Tappers or former Commissioners Walhalla.
The last people installed in the WaCo Committee were:

Roel Wijnands
Joost Visser
Britt Vermeulen
Niek Brekelmans