Statutory certificate are mandatory technical certificate required by IMO and then by all flag administration members to IMO, in other words every flag administrations are obliged to issue statutory certificate pertaining for the IMO conventions they have signed and ratified

Statutory certificates are issued by the flag administration or on behalf of the flag administrations, where flag administration in most  cases authorize class society and/or recognized organizations to issue statutory certificates

Most popular certificates are those issued under the provisions of main IMO conventions such as SOLAS 1974, MARPOL 1978, ILO MLC, ISM, ISPS, Tonnage measurement, Free board assignment and much more conventions