§ 21.18 (E)
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(E) Drug Abuse or Addiction. Conviction for first offense simple possession does not, by itself trigger either inadmissibility or deportability, since “experimentation” with drugs does not qualify as abuse or addiction. However, this ground does not require a conviction, and there may be other evidence, such as arrests and drug-treatment records that can show a noncitizen falls within this category.
 See § 21.10, supra.
CONTROLLED SUBSTANCES OFFENSES " POSSESSION
Pagayon v. Holder, 642 F.3d 122, 2011 WL 2508239 (9th Cir. Jun. 24, 2011) (per curiam) (California conviction of possession of a controlled substance, under Health & Safety Code 11377(a), constituted a controlled substances conviction, triggering deportation under INA 237(a)(2)(B)(i), 8 U.S.C. 1227(a)(2)(B)(i), where respondents admission in removal proceedings he pleaded to guilty as charged established the drug involved as methamphetamine which was listed in federal drug schedules).