If a respondent objects by notice in writing addressed to an employing authority ¾

(a) to any finding by the employing authority under section 83 or 84 that he or she committed a minor breach of discipline; or

(b) to any action taken by the employing authority in relation to him or her under section 83 (1) (a) or 84 (2) (b) (i),

within 7 days after being notified in writing of that finding or action, as the case requires, that finding or action is cancelled by virtue of this section and the respondent may be charged in accordance with the prescribed procedures with having committed the alleged breach of discipline.