Any district judge leaving headquarters and proceeding on duty to any place in the district may delegate to the additional district judge, if any, or where there is no such additional district judge, to a subordinate judge or, as the case may be, to a munsiff at the headquarters, the power of performing such duties enumerated in section 36 as may be emergent and such officer shall be designated as the additional district judge or the subordinate judge or the munsiff, as the case may be, in charge of the headquarter.