21.—(1) On receipt of the report of the tribunal the Police Authority; and in agreement with the Ombudsman where the tribunal is held as the result of a complaint, shall decide either to dismiss the case or—
(a)to record a finding that the conduct of the senior officer concerned failed to meet the appropriate standard but to take no further action, or
(b)to record such a finding and impose a sanction.
(2) As soon as possible after the Police Authority has taken its decision in the case, that decision shall be notified in writing to the senior officer concerned.