This Circular guides the Ranger Sub-departments in making the cost estimate for data input, map digitization, on-field information collection and use of tele-reconnaissance photos in the work of forest and forestry land change monitoring. Concretely, this Circular specifies labor cost norms for map digitization, the cost norms for creating electronic news (data input, photo scanning, creating hypertext pages), the cost norms for on-field monitoring forest fluctuation, mapping and database updating, and guides the application of the cost norms for key jobs (direct expenditures).- (Summary)