Every customer is obliged to fasten their seatbelt immediately after entering the MOIA vehicle unless you qualify for a medical exemption (e.g your height is less than 150 cm) and have a certificate to prove it
The "Certificate of Exemption from Compulsory Seat Belt Wearing" may be granted for a limited period of time
If you are exempted from wearing a seat belt the certificate must be provided to the driver before the trip begins