Regulation 13 Duration and validity of certificates
The duration of certificates issued under regulation 10 shall be as follows:
a Passenger Ship Safety Certificate and a short international voyage Passenger Ship Safety Certificate shall be issued for a period of validity not exceeding 12 months;
a Cargo Ship Safety Radio Certificate shall be issued for a period of validity not exceeding 12 months;
a Cargo Ship Safety Equipment Certificate shall be issued for a period of validity not exceeding 24 months;
a Cargo Ship Safety Construction Certificate shall be issued for a period of validity not exceeding five years.
The duration of certificates issued under regulation 11 shall be as follows:
a Passenger Certificate shall be issued for a period of validity not exceeding 12 months;
a United Kingdom Cargo Ship Safety Construction Certificate shall be issued for a period of validity not exceeding five years.
A certificate shall cease to be valid:
if its period of validity has been exceeded and the certificate has not been extended when permitted by regulation 15;
if annual and intermediate surveys have not been carried out in accordance with these Regulations and the certificate has not been endorsed;
upon the transfer of a ship to the flag of another government;