The regulations contained in this part supplement the general permit regulations of part 13 of this subchapter with respect to permits for the taking, possession, transportation, sale, purchase, barter, importation, exportation, and banding or marking of migratory birds. This part also provides certain exceptions to permit requirements for public, scientific, or educational institutions, and establishes depredation orders which provide limited exceptions to the Migratory Bird Treaty Act (16 U.S.C. 703-712).