I also like their Automated License Plate Reader (ALPR) record retention period (3 minutes):
> Records of number plates read by each LPR shall not be recorded or transmitted anywhere and shall be purged from the system within 3 minutes of their capture in such a manner that they are destroyed and are not recoverable, unless an alarm resulted in an arrest, a citation, or protective custody, or identified a vehicle that was the subject of a missing person or wanted broadcast [...]
This seems absolutely reasonable. Keep the data about people who have committed or you can reasonably suspect might be committing a crime, get rid of the identifiable information for law-abiding citizens and maybe keep the aggregated metadata.
> Records of number plates read by each LPR shall not be recorded or transmitted anywhere and shall be purged from the system within 3 minutes of their capture in such a manner that they are destroyed and are not recoverable, unless an alarm resulted in an arrest, a citation, or protective custody, or identified a vehicle that was the subject of a missing person or wanted broadcast [...]
https://law.justia.com/codes/new-hampshire/2022/title-xxi/ti...