Imposes certain requirements on use of automated license plate readers by law enforcement agencies.

S 4174 requires New Jersey law enforcement agencies to follow strict rules when using automated license plate readers (ALPRs). It mandates annual audits to ensure ALPRs are used only for legitimate law enforcement, requires agencies to submit detailed annual reports on ALPR usage (including data stored, requests for data, and breaches), and sets a two-year limit for storing ALPR data before mandatory deletion. Unauthorized access to ALPR data is prohibited, with penalties including fines or jail time. The bill directly affects all New Jersey law enforcement agencies that operate ALPR systems.