) ▁suggested ▁that ▁Che v ron ▁de ference ▁should ▁apply ▁to ▁formal ▁ag ency ▁documents ▁which ▁have ▁the ▁force ▁of ▁law ▁while ▁Sk id more ▁should ▁apply ▁to ▁less ▁formal ▁ag ency ▁documents ▁in ▁an ▁attempt ▁to ▁draw ▁a ▁bright ▁line ▁for ▁the ▁question ▁of ▁" force ▁of ▁law " ▁under ▁Che v ron ▁step ▁zero . ▁In ▁King ▁v . ▁Bur well ▁( 2 0 1 5 ), ▁the ▁Supreme ▁Court ▁has ▁suggested ▁that ▁Che v ron ▁de ference ▁may ▁be ▁in app ropri ate ▁in ▁regul atory ▁actions ▁of ▁" deep ▁economic ▁and ▁political ▁significance ", ▁hint ing ▁at ▁the ▁possibility ▁of ▁substantial ly ▁limit ing , ▁or ▁even ▁elimin ating , ▁the ▁doctrine . ▁ ▁O pp osition ▁ ▁Federal ▁ ▁The ▁United ▁States ▁House ▁of ▁Representatives ▁in ▁the ▁ 1 1 5 th ▁Congress ▁passed ▁a ▁bill ▁on ▁January ▁ 1 1 , ▁ 2 0 1 7 , ▁called ▁the ▁" Reg ul atory ▁Account ability ▁Act ▁of ▁ 2 0 1 7 ", ▁which , ▁if ▁made ▁into ▁law , ▁would ▁change ▁the ▁doctrine ▁of ▁Che v ron ▁de ference . ▁According ▁to ▁Charles ▁Murray ▁in ▁By ▁the ▁People : ▁Reb u ild ing ▁Liber ty ▁Without ▁Perm ission , ▁ ▁Che v ron ▁de ference ▁aug ments ▁that ▁characteristic ▁of ▁pr er og ative ▁power ▁by ▁giving ▁regul atory ▁b ureau cr ats ▁a ▁pass ▁available ▁to ▁no ▁private ▁citiz en ▁and ▁to ▁no ▁other ▁government ▁officials ▁— ▁including ▁the ▁president ▁and ▁cabinet ▁officers ▁— ▁who