A three-year battle for a Whangārei woman over an $80 ticket which was sent to the wrong address has led to police changing how the policy is applied when an address is recorded incorrectly.

Shannon Parker, of the New Zealand Police Conduct Association (NZPCA) based in Whangārei, is more used to assisting people with their issues around police processes and interactions but found herself having to defend herself and push for change.

In 2016, police changed their ticketing process from issuing infringement notices on the roadside to posting them out on a later date. Three years on, it's a flawed