The nationality mark for San Marino is "T7" and the registration marks are three further upper case letters in Roman characters.
The registration mark can be personalized, out of sequence at no cost, and transferred on to a different aircraft.
The CAP 01 | Registration of Aircraft prescribe the requirements for the markings and display of markings and identification plates of T7 registered aircraft.
Prior to completing any forms for registration, you should contact SMR CAA to receive notification of availability for the desired registration mark.
Registration of Aircraft