The Arkansas Public Service Commission shall have the full power and authority in the administration of the tax laws of this state to extend to any official, individual, company, association, or corporation additional time, not to exceed sixty (60) days, within which to file any report required by law to be filed with the commission, in which event the attaching or taking effect of any penalty for failure to file the report or pay any tax or fee shall be postponed accordingly when deemed necessary or advisable.