At some point, the City of Detroit, gave the DIBC permission to put up a buffer zone. I think the permission that was given had a 5 year expiration date that came up last summer [[If anyone has the details and can clarify or correct this, please do so). But the City is horrible when it cames up to keeping up with its paperwork, this is what gives the the DIBC the ability to successfully deal with the City in court. During the City Council discussion, the Law Department and the Building Department were stumbling all over themselves and couldn't get their stories straight.