1. A security officer employed:
(a) Pursuant to NRS 244.167 by a board of county commissioners; or
(b) Pursuant to NRS 266.323 by the governing body of a city,
Ê has the powers of a peace officer when the security officer is carrying out duties prescribed by ordinance.
2. A person appointed pursuant to subsection 1 of NRS 269.235 by a town board or board of county commissioners has the powers of a peace officer.
3. Police officers and special police officers appointed pursuant to subsection 5 of NRS 269.240 have, within the limits of the unincorporated town, the powers of making arrests which are exercised by a peace officer according to the laws of this State.