| (a) | - | a Board or any officer authorised in this behalf by it; or |
| [(aa) | - | the adjudicating officer or any officer authorised by him in this behalf; or] |
| (b) | - | any person who has given notice of not less than sixty days, in the manner prescribed, of the alleged offence and of his intention to make a complaint, to the Board or officer authorised as aforesaid, |