https://www.fws.gov/policy-library/265fw4
Temporary Duty Travel - Travel Authorizations | U.S. Fish & Wildlife Service
TABLE OF CONTENTSTopicsSectionsOVERVIEW4.1 What is the purpose of this chapter?4.2 What is the scope of this chapter?4.3 What is the overall policy?
travel authorizationstemporarydutyfishwildlife
https://handbook.tts.gsa.gov/travel-and-leave/travel-and-leave-policies/travel-guide-b-after-hours-emergency-travel-authorizations/
Appendix B - After-hours emergency travel authorizations
after hours emergencyappendix btravelauthorizations