Regulations for the Navy Part IIICentral Regulations · 1957
A higher character than ‘Indifferent’ shall not be given to any sailor if during the period for which his character is being assessed he has been sentenced to be punished in any of the following ways, namely: -
(a) Reduced to the second class for conduct on two or more occasions for a period exceeding six months in the aggregate.
(b) Sentenced to cells, detention or imprisonment, or any two or more of these punishments, for 61 days or more in the aggregate.