This chapter does not prohibit any use of an unmanned aerial vehicle for surveillance during the course of:

Terms Used In North Dakota Code 29-29.4-04

1.    Patrol of national borders. The use of an unmanned aerial vehicle to patrol within twenty-five miles [40.23 kilometers] of a national border, for purposes of policing that     border to prevent or deter the illegal entry of any individual, illegal substance, or contraband.

2.    Exigent circumstances. The use of an unmanned aerial vehicle by a law enforcement agency is permitted when exigent circumstances exist. For the purposes of this subsection, exigent circumstances exist when a law enforcement agency possesses reasonable suspicion that absent swift preventative action, there is an imminent danger to life or bodily harm.

3.    An environmental or weather-related catastrophe. The use of an unmanned aerial vehicle by state or local authorities to preserve public safety, protect property, survey environmental damage to determine if a state of emergency should be declared, or conduct surveillance for the assessment and evaluation of environmental or weather-related damage, erosion, flood, or contamination.

4.    Research, education, training, testing, or development efforts undertaken by or in conjunction with a school or institution of higher education within the state and its political subdivisions, nor to public and private collaborators engaged in mutually supported efforts involving research, education, training, testing, or development related to unmanned aerial vehicle systems or unmanned aerial vehicle system technologies and potential applications.