Request advice about a hackney carriage (taxi) or private hire licence You can make an enquiry about hackney carriage (taxi) and private hire drivers, vehicles and operators using this form. You can also use it to request a licence application form. The form will take a few minutes to fill in. We shall respond to your enquiry within 5 working days. If you want to find out more about hackney carriage or private hire vehicle licensing before filling in the form, see our聽information for taxi drivers, private hire drivers and operators.