Nevada

NRS 574.100. Overdriving, torturing, injuring or abandoning animals; failure to provide proper sustenance; requirements for restraining dogs and using outdoor enclosures; penalties; exceptions.

2. Except as otherwise provided in subsections 3 and 4 and NRS 574.210 to 574.510, inclusive, a person shall not restrain a dog:
(a) Using a tether, chain, tie, trolley or pulley system or other device that:
(1) Is less than 12 feet in length;
(2) Fails to allow the dog to move at least 12 feet or, if the device is a pulley system, fails to allow the dog to move a total of 12 feet; or
(3) Allows the dog to reach a fence or other object that may cause the dog to become injured or die by strangulation after jumping the fence or object or otherwise becoming entangled in the fence or object;
(b) Using a prong, pinch or choke collar or similar restraint; or
(c) For more than 14 hours during a 24-hour period.
3. Any pen or other outdoor enclosure that is used to maintain a dog must be appropriate for the size and breed of the dog. If any property that is used by a person to maintain a dog is of insufficient size to ensure compliance by the person with the provisions of paragraph (a) of subsection 2, the person may maintain the dog unrestrained in a pen or other outdoor enclosure that complies with the provisions of this subsection.
4. The provisions of subsections 2 and 3 do not apply to a dog that is:
(a) Tethered, chained, tied, restrained or placed in a pen or enclosure by a veterinarian, as defined in NRS 574.330, during the course of his practice;
(b) Being used lawfully to hunt a species of wildlife in this State during the hunting season for that species;
(c) Receiving training to hunt a species of wildlife in this State;
(d) In attendance at and participating in an exhibition, show, contest or other event in which the skill, breeding or stamina of the dog is judged or examined;
(e) Being kept in a shelter or boarding facility or temporarily in a camping area
; (f) Temporarily being cared for as part of a rescue operation or in any other manner in conjunction with a bona fide nonprofit organization formed for animal welfare purposes;
(g) Living on land that is directly related to an active agricultural operation, if the restraint is reasonably necessary to ensure the safety of the dog. As used in this paragraph, “agricultural operation” means any activity that is necessary for the commercial growing and harvesting of crops or the raising of livestock or poultry; or
(h) With a person having custody or control of the dog, if the person is engaged in a temporary task or activity with the dog for not more than 1 hour.