If a municipality commits land for inclusion in a recreation river corridor described in Alaska Stat. § 41.23.500, the commissioner shall obtain the concurrence of the municipality to the management plan proposed under Alaska Stat. § 41.23.440 as it applies to municipal land. The commissioner shall cooperate, at the request of a municipality, in planning for municipal land adjacent to a recreation river corridor. Municipal land not committed by a municipality for inclusion in a recreation river corridor is excluded from the operation of the management plan.