; (2) develop and evaluate new or improved best management practices and technologies; and (3) evaluate the impacts of commercial activities regulated under this section on bird populations. 15. Definitions For the purposes of this Act: (1) Incidental take The terms incidental take and incidentally take means the killing or taking of migratory birds that directly and foreseeably results from, but is not the purpose of, a commercial activity. (2) Commercial activity The term commercial activity means—— (A) the conduct of any aspect of a business, concession, or service in order to provide goods or services to any person for compensation, including manufacturing, distributing, transporting, and marketing goods and services; and (B) activities of Federal, State, or local governments related to the management or administration of government property or programs. (3) Best management practices The term best management practices means operational practices, siting, and other guidelines prescribed by the Secretary to avoid or minimize the incidental take of migratory birds. (4) Secretary The term Secretary means the Secretary of the Interior acting through the Director of the United States Fish and Wildlife Service. . (2) Conforming amendments The Migratory Bird Treaty Act is amended— (A) in section 3, by striking of Agriculture ; (B) in section 5— (i) by striking of the Interior ; and (ii) by striking Agriculture authorized by the Secretary of Agriculture and inserting Interior authorized by the Secretary ; (C) in section 6(d) by striking of the Interior