New Hampshire RSA 266:59-b.IV reads as follows:

“This section (Emission Control Equipment) shall not apply to vehicles 20 or more model years old which shall be determined by subtracting the model year of the vehicle from the calendar year in which the inspection occurs.”

This means that in 2016 vehicles that are model year 1996 or older will not be prompted for an emissions test by the NHOST unit as part of the annual inspection program. However, they are still required to be reported electronically through the NHOST testing equipment.