Update Aug. 31, 2011: Forsyth County, North Carolina County Commissioners have adopted new anti-tethering restrictions though there is no ban on unattended chaining as recommended in 2010 by the County Animal Control Advisory Board.
Palm Beach County, Florida’s new anti-tethering ordinance went into effect July 1. That means no one can tether a dog to a stationary object or even a running line unless they are "with the animal and the animal is at all times visible" to that person.
There is an exception for dogs "actively" participating in a show, contest or other such event.
In 2009 Nevada joined 12 other states in placing restrictions on tethering or chaining: [Read more...]
Update May 7, 2010: The Connecticut legislature has passed S.B. 274Â which improves on the state’s current law making it illegal to chain a dog for an "unreasonable period of time." Ct. Stat. 22-350a