CA SB912

Requires law enforcement agencies and prosecutors to adopt policies ensuring reliable identification of controlled substances in drug possession cases under Health and Safety Code Sections 11350 and 11377.

Prohibits use of colorimetric field drug tests (color-based chemical tests) for arrests, charging decisions, preliminary hearings, convictions, or sentencing unless confirmed by a crime laboratory test.

Allows individuals who pleaded guilty to drug possession to withdraw their plea and seek dismissal if a confirmatory lab test shows no controlled substance was actually present in the sample.

Permits defendants to request a confirmatory laboratory test at any time during case proceedings or up to one year after adjudication, with courts required to inform pro se defendants of this right.

Imposes state-mandated local program requirements on law enforcement and prosecutors, with reimbursement to be determined by the Commission on State Mandates.