50 CFR 27.91 : Wildlife And Fisheries (§ 1.1 To Parts 698-699) — (§ 18.1 To Parts 101-199) — United States Fish And Wildlife Service, Department Of The Interior (Continued) (§ 18.1 To Parts 101-199) — The National Wildlife Refuge System (§ 25.11 To § 38.17) — Prohibited Acts (§ 27.11 To § 27.97) — Other Disturbing Violations (§ 27.91 To § 27.97) — Field trials.

4 Aug 2016

The conducting or operation of field trials for dogs on national wildlife refuges is prohibited except as may be authorized by special permit.

50 CFR 27.91