50 CFR § 13.42
Permits are specific
July 17, 2020
The authorizations on the face of a permit that set forth specific times, dates, places, methods of taking or carrying out the permitted activities, numbers and kinds of wildlife or plants, location of activity, and associated activities that must be carried out; describe certain circumscribed transactions; or otherwise allow a specifically limited matter, are to be strictly interpreted and will not be interpreted to permit similar or related matters outside the scope of strict construction.
[70 FR 18320, Apr. 11, 2005]