Rules for Blue Zone applicants
Blue Zone was a zone in Sanctuary District A. The residents in this zone lived to a system of rules and regulations. Elmer Fudd was a resident of the Blue Zone.
In the history of this zone, there was a change in the soylent ration allocation requirements which impacted the residents of Blue Zone. (DS9: "Past Tense, Part I", "Past Tense, Part II")
This zone was not mentioned in dialog. Its existence is derived from official government flyers posted on the walls of the Processing Center and on clipboards used by the District Police. One of these clipboards for the Red Zone, which mentioned the change in the rations for the Blue Zone, was sold off on the It's A Wrap! sale and auction on eBay. [1]