U-NII rules, Title 47 Part 15 Subpart E, cover devices operating in the 5.15-5.35 GHz, 5.47-5.725 GHz and 5.725-5.85 GHz bands.
All new applications will be assessed to the new rules. Devices certified under the old rules must meet the new rules on or after June 2, 2016. Devices already in use and installed are grandfathered.