by marihuana production on public lands. (H) Preventing marihuana possession or use on Federal property. (I) Preventing distribution of tainted marihuana. (3) The State agrees to study and report annually to the Attorney General regarding outcomes of legalizing marihuana in the State on the following: (A) Youth marihuana use. (B) Rates of driving while intoxicated. (C) Diversion to other States. (D) Prevalence of drug-related organized crime activity. (b) Duration of period Subject to subsection (c), the period described in this subsection is, with respect to a State— (1) the period of 3 years beginning on the date of receipt by the Attorney General of a request under subsection (a)(1)