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 Finally, it should be noted that a statute may be challenged
 as irrational and arbitrary either on the ground of its /ILG/SA_iO_
 within a statutory scheme of an article which cannot be
 rationally grouped with the other members of the class so
 regulated, G VLI______ So F. _i _ , 165 U.So 150, 1589a
 165-66, 17 S.Cto 255, 4 L.Edo 666 (1897); Bax _ -= , 383
 U_S° 17, 86 S.Cto 760, 15 LoEd.2d 620 (1966); filgn v e"
 _di_LL/_. IrL___C_Q_, 391 UoS. 68, 88 SoCt. 1509, 20 L.Edo2d 436
 91968); _LD_l__i_q_j 384 U.So 305, 86 S.Cto 1497; 16 LoEd.
 577; _rjcirLg__Qn Vo_Ra_/!, 380 UoS. 89; 85 SoCto 775, 13 L.Edo2d
 675 (1965);" i Y_r_Q_D___2r/I_i!_, _Dra_ at 153-
 154; or by its 9jKCGIUSig__ from the provisions of the statute of a
 person or thing -which rationally belongs within the regulated
 class_ C onDel__y__ U ° Pi Co., i84 U.So 540; 560, 22
 S.Ct. 431, 46 L.Edo 679 (1902); _!Qr__Y_Y_L_J2uQII_; 354 U.S. 457, 77
 S.Cto 1344, i L.Ed_2d 1485 (1957); _ iler I. and
 In___C____Y__!_r.Lsg/_, 301 U°S. 459, 57 SoCto 838_ 81 L. Ed. 1223
 (1927); _____L_Y__ CahoQ/l, 283 U.So 553, 51 S.Cto 582, 75 L°Ed.
 1264 (1931); Loui_v _ _ & ° v_CLQl_ema_s 277 UPS. 32g
 48 SoOt. 423; 72 L.Edo 770 (1928) _
 C. The Classification of Marijuana in Schedule I 91
 Marijuana is currently classified as a Schedule I substance
 in the CSA, the classification Congress first gave it when the
 law was passed ten years ago_ See; CSA § 202(b), 21 U.S.C.
 hereto as Exhibit Ao
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