Lower authority not to reopen case

Lower authority not to reopen case: higher authority can exercise
power
18. (1) Where in any case a higher authority has imposed or declined to
impose a penalty under rule 11, 12 or 14 a lower authority shall have no jurisdiction
to proceed under these rules in respect of the same case.
(2) Where in any case a lower authority has imposed a penalty or exonerated
a member of a service, it shall not debar a higher authority from exercising his
powers under these rules in respect of the same case. The order of such higher
authority shall supercede any order passed by a lower authority in respect of the
same case.