Gujarat Land Revenue Code, 1879
It shall be lawful for the survey officer to call upon all holders of land and other persons interested therein to assist in the measurement or classification of the lands to which the survey extends by furnishing flag holders; and in the event of necessity for employing hired labour for this or other similar object, incidental to survey operations, it shall be lawful to assess the cost thereof, with all contingent expenses on the lands surveyed, for collection as a revenue demand.