You can use this form to tell us about a change to your details if you have an existing taxi licence. You can't use it to apply for a new licence or renew an existing licence you hold.If you need to apply for or renew a licence, please use the relevant form instead:• Apply for a new taxi driver's licence• Renew a taxi driver's licence• Apply for or renew a private hire operator licence• Apply for or renew a vehicle licence