(a) Pursuant to section 151, subsection (a) of this title, all judges, inspectors, voting machine monitors, and clerks of election shall be duly sworn by the Chairman of the Board of Elections of the district in which they are to serve, or, in his absence, by another member of the Board. Each of them shall forthwith sign in duplicate the oath taken by him upon forms to be furnished by the Board, and the same shall be attested by the officer who administered the oath.
(b) A person who is appointed to fill a vacancy or a temporary vacancy pursuant to section 151, subsection (c) shall either be duly sworn as prescribed by subsection (a) of this section or shall submit a sworn affidavit, duly notarized, to the Board of Elections in the polling district in which the vacancy exists.