Is it ok to tether a dog up outside? If so, for how long?

A dog can be legally tethered if:

o             The tether is at least 12 feet long

o             The dog has access to water and shelter

o             The dog is not wearing a pinch, prong or choke collar

o             The dog is not tethered for more than 14 hours in a 24 hour period

o             The dog is tethered in such a way as to prevent it from becoming entangled and injured