Section 3. In section 81 of the principal Act, in sub-section (1),

3. In section 81 of the principal Act, in sub-section (1),— (a) in clause (f), after the word "officers", the words "and master chief petty officers" shall be inserted; (b) in clause (g), for the words "subordinate officers", the words "officers below the rank of commander and master chief petty officers" shall be substituted; (c) in clause (i), for the words "disrating" and "subordinate and petty officers", the words "reduction in rank" and "petty officers" shall respectively be substituted.