▁Brown ▁and ▁the ▁opinion ▁of ▁Chief ▁Justice ▁Tan ey ▁in ▁the ▁License ▁C ases , ▁ 4 6 ▁U . S . ▁ 5 0 4 ▁( 1 8 4 7 ), ▁decided ▁that : ▁ ▁This ▁doctrine , ▁which ▁became ▁known ▁as ▁the ▁" original ▁package ▁doctrine ", ▁would ▁define ▁the ▁interpretation ▁of ▁the ▁Import - Export ▁Cla use ▁for ▁over ▁a ▁century ▁until ▁the ▁U . S . ▁Supreme ▁Court ▁re defined ▁its ▁analysis ▁of ▁the ▁Import - Export ▁Cla use ▁in ▁Michel in ▁T ire ▁Cor p . ▁v . ▁W ages , ▁ 4 2 3 ▁U . S . ▁ 2 7 6 ▁( 1 9 7 6 ). ▁In ▁Michel in , ▁the ▁U . S . ▁Supreme ▁Court ▁launched ▁a ▁sua ▁sp onte ▁investigation ▁of ▁the ▁meaning ▁and ▁purpose ▁of ▁the ▁Import - Export ▁Cla use , ▁summar izing ▁it ▁thus ly : ▁ ▁The ▁Michel in ▁Court ▁made ▁a ▁length y ▁and ▁thorough ▁analysis ▁of ▁the ▁Brown ▁opinion ▁and ▁how ▁it ▁was ▁mis read ▁in ▁Low ▁v . ▁Austin , ▁which ▁"[ h eld ] ▁that ▁the ▁Court ▁in ▁Brown ▁included ▁n ond isc rimin atory ▁ad ▁val orem ▁property ▁tax es ▁among ▁prohib ited ▁' im posts ' ▁or ▁' d ut ies .' " ▁ ▁See ▁also ▁ ▁List ▁of ▁United ▁States ▁Supreme ▁Court ▁cases , ▁volume ▁ 2 5 ▁ ▁Peters wald ▁v ▁Bart ley ▁- ▁sem inal ▁case ▁of ▁the ▁High ▁Court ▁of ▁Australia ▁that ▁analyz ed ▁Brown ▁v . ▁Maryland