Section 4. In section 82 of the principal Act,

4. In section 82 of the principal Act,— (a) in sub-section (9), for the words "disrating" and "rate", the words "reduction in rank" and "rank" shall respectively be substituted; (b) after sub-section (12), the following sub-section shall be inserted, namely:— "(12A) No master chief petty officer shall be subject to the punishment of forfeiture of seniority of more than twelve months."; "(13A) No master chief petty officer shall be subject to the punishment of forfeiture of time for promotion of more than twelve months."; (d) in sub-section (14), for the words "disrated" and "rating", the words "reduced in rank" and "rank" shall respectively be substituted.