SECTION 1.  The General Laws are hereby amended by inserting after chapter 90J the following chapter:-

CHAPTER 90K.

AUTOMATED LICENSE PLATE READERS.

Section 1. As used in this chapter, the following words shall have the following meanings unless the context clearly requires otherwise:

“Automated license plate reader system”, an automated system of one or more mobile or fixed high speed cameras used in combination with computer algorithms to convert images of license plates into computer-readable license plate identifying data.

Section 2. Persons acting under color of state law shall not: (a) use an automated license plate reader system to track or otherwise monitor activity protected by Articles II or XVI of the Massachusetts Declaration of Rights or the First Amendment to the United States Constitution; (b) retain data collected or generated by an automated license plate reader system longer than 14 days except in connection with a specific criminal investigation based on articulable facts linking the data to a crime; (c) disclose, sell or permit access to automated license plate reader system data except as required in a judicial proceeding; or (d) access automated license plate reader system data from other governmental or non-governmental entities except pursuant to a valid warrant.

Section 3. Notwithstanding any general or special law or regulation to the contrary, automated license plate reader system data retained, disclosed, sold, or accessed in violation of this chapter shall not be admitted, offered or cited by any governmental entity for any purpose in any criminal, civil, or administrative proceeding.

Section 4. The attorney general shall enforce this chapter and shall have the power to petition the court for injunctive relief and other appropriate relief against any person that fails to comply therewith.