325.6—Periodic reviews.
(a)
The Department will start a periodic review of essential air service within 1 year of the date of the previous determination of essential air service for eligible points receiving subsidized service, within 2 years of the date of the previous determination for eligible points in Alaska, and within 3 years of the date of the previous determination for eligible points without subsidized air service.
(c)
The Department may review the designation under section 419(b) of a community as an eligible point to determine whether that point continues to meet the criteria in part 270 of this chapter.