Mariners already holding certification had the option to renew the certificates in accordance with the old rules of the 1978 Convention during the period ending on 1 February 2002.
Pelaut yang telah memegang lisensi diberi pilihan untuk memperbarui lisensi itu berdasarkan aturan lama dari Konvensi 1978 saat periode akhir 1 February 2002.