“the Chairman’ means the person appointed under regulation 3 of the Public Ser- vice Commission Regulations, 1956, as Chairman of the Commission and shall include an acting Chairman; “the Commission’ means the Public Service Commission appointed under the Public Service Commission Regulations, 1956; “Governor” shall have the same meaning as in the Ordinance; “Member”? means any person appointed under the Public Service Commission Regulations, 1956, as Chairman or Member of the Commission, and _ shall include any person appointed under those Regulations to be a temporary Member; ‘S office of emolument”’ means any pensiona- ble or non-pensionable post which is shown under a Personal Emoluments sub-head in the current Estimates of the Presidency; “officer in charge of prison discipline”’, “ the Keeper”, ‘subordinate officer” and ‘‘ Visiting Justices” shall have the same meanings as in the Rules and Regu- lations for the Government of Prisons made by the Governor in Council on the 18th day of August, 1909, as amended; “promotion” means the conferment upon a person in the public service of a public office to which is attached a higher salary or higher salary scale than that attached to the public office to which he was last substantively appointed ; “ public office”, ‘‘ public officer” and “ public service” shall have the same meanings as in the Ordinance; “the secretary’? means the person appointed under the Public Service Commission Regulations, 1956, as secretary of the Commission;