"Open-space real property" means:
1. Land:
(a) Located within an area classified pursuant to NRS 278.250 and subject to regulations designed to promote the conservation of open space and the protection of other natural and scenic resources from unreasonable impairment; and
(b) Devoted exclusively to open-space use.
2. The improvements on the land described in subsection 1 that is used primarily to support the open-space use and not primarily to increase the value of surrounding developed property or secure an immediate monetary return.
3. Land that is used as a golf course.
4. Land regarding which the owner has granted and has outstanding a lease of surface water rights appurtenant to the property to a political subdivision of this State for a municipal use, if the land was agricultural real property at the time the lease was granted.
(Added to NRS by 1975, 1756; A 1987, 673; 2005, 2664; 2009, 1229)