9 The master of every oil, chemical and liquefied
gas tanker should ensure that the officer or the person primarily
responsible for the cargo possesses the appropriate certificate, issued
or endorsed or validated as required by regulation
V/1-1, paragraph 3; regulation
V/1-1, paragraph 5 or regulation
V/1-2, paragraph 3, as appropriate, and has had adequate recent
practical experience on board an appropriate type of tanker to permit
that officer or person to safely perform the duties assigned.