I don’t know what CFR pertains to this ruling but as I posted before; My 500GRT master was issued in 1998. For me to get a 1600GRT now I have to completely retest. However, I had a 3000 ITC when I submitted my renewal a few months ago and now my MMC reads; 500 (GRT) Master, 1600 Of Offshore Supply Vessels (GRT)/3000 OSV (GT). Issued this July.