If you've forgotten your MiPermit password, you can reset it by visiting the MiPermit login page and using the password recovery option. This will typically involve entering your email address to receive a password reset link.
For additional assistance, you can contact MiPermit directly at 0345 520 7007, available from 8 am to 6 pm Monday to Friday, and on weekends from 8 am to 4 pm on Saturdays and 10 am to 4 pm on Sundays. You can find more details on the MiPermit help page.