; or (2) an area of Federal land affected by extreme weather, as that term is defined in section 328(c) of the National Defense Authorization Act for Fiscal Year 2020 ( Public Law 116–92 ; 10 U.S.C. 221 note). 6. Exemption from Economy Act for certain requests made through the National Interagency Fire Center Section 1535(b) of title 31, United States Code (commonly known as the Economy Act ), shall not apply to any assistance provided by the Department of Defense to the Federal Emergency Management Agency or a Federal land management agency under a request— (1) made through the National Interagency Fire Center; and (2) pertaining to an area covered by a declaration of a major disaster or emergency under section 401 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5170 ). 7. Guidance for use of unmanned aircraft systems by the National Guard (a) New guidance Not later than 90 days after the date of the enactment of this Act, the Secretary of Defense shall issue new guidance that treats the use of unmanned aircraft systems by the National Guard for covered activities in a manner no more restrictive than the use of other aircraft for covered activities. (b) Covered activities defined In this section, covered activities means the following: (1) Emergency operations. (2) Search and rescue operations. (3) Defense support to civil authorities. (4) Support under section 502(f) of title 32, United States Code. 8. Study on use of CH–47 Chinooks to respond to wildfires Not later one year after the date of the enactment of this Act, the Secretary of Agriculture, the Secretary of the Interior, and the Secretary of Homeland Security shall jointly submit to Congress a report— (1) on the feasibility and effectiveness of using CH–47 Chinooks with firefighting modifications to— (A) respond to wildfires; and (B) perform search and rescue activities