16. Upon appointment of collecting agents, if any, by the State Government under section 13 their names and the manner in which such collecting agents shall carry out the functions assigned to them, the manner in which the collecting agents shall render accounts to the Commissioner, powers the collecting agents shall exercise -and the area over which they shall exercise such powers and the class of persons or employers from whom such collecting agents shall collect tax will be specified in a notice to be published in the Official Gazette. The notice when published shall form a part of these rules.