Maine Revised Statutes Title 29-A. Motor Vehicles § 2117-A. Use of automated license plate recognition systems

1. Definitions. As used in this section, unless the context otherwise indicates, “automated license plate recognition system” means a system of one or more mobile or fixed high-speed cameras combined with computer algorithms to convert images of registration plates into computer-readable data. “Automated license plate recognition system” does not include a photo-monitoring system, as defined in Title 23, section 1980, subsection 2-A, paragraph B, subparagraph (4), when used by the Maine Turnpike Authority or a law enforcement agency for toll enforcement purposes.

2. Prohibition. Except as otherwise provided in subsection 3, a person may not use an automated license plate recognition system.

3. Exception. Subsection 2 does not apply to:

An authorized user under this subsection of an automated license plate recognition system may use an automated license plate recognition system only for the official and legitimate purposes of the user's employer.

4. Confidentiality. Data collected or retained through the use of an automated license plate recognition system in accordance with subsection 3 are confidential under Title 1, chapter 13 and are available for use only by a law enforcement agency in carrying out its functions or by an agency collecting information under subsection 3 for its intended purpose and any related civil or criminal proceeding.

A law enforcement agency may publish and release as public information summary reports using aggregate data that do not reveal the activities of an individual or firm and may share commercial motor vehicle screening data with the Federal Motor Carrier Safety Administration for regulatory compliance purposes.

5. Data retention. Data collected or retained through the use of an automated license plate recognition system in accordance with subsection 3 that are not considered intelligence and investigative record information as defined by Title 16, section 803, subsection 7, or data collected for the purposes of commercial motor vehicle screening, may not be stored for more than 21 days.

6. Penalty. Violation of this section is a Class E crime.