13.28—Permit revocation.

(5) Except for permits issued under § 17.22(b) through (d) or § 17.32(b) through (d) of this subchapter, the population(s) of the wildlife or plant that is the subject of the permit declines to the extent that continuation of the permitted activity would be detrimental to maintenance or recovery of the affected population.
[54 FR 38149, Sept. 14, 1989, as amended at 64 FR 32711, June 17, 1999]