StacksVerified U.S. regulatory reference

50 CFR §216.31

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
For the purpose of this subpart, the definitions set forth in 50 CFR part 217 shall apply to all threatened and endangered marine mammals, unless a more restrictive definition exists under the MMPA or part 216.