Report of valuation of mines and quarries: registered valuer must record detailed mineral valuation and declare no direct interest. Form O-5 requires the registered valuer to state valuation purpose and date, identify owner(s) and joint shares, and record mine/quarry name, location and area. The valuer must provide a valuation of the mineral asset excluding machinery, plant, buildings and fittings, and explain factors relied upon (average annual output, extractable reserves, area available, seam thickness, development stage, depillaring, geological disturbances). The valuer must declare the truth of the information, absence of direct or indirect interest, personal inspection and examination of tehsil/district revenue records, and sign with registration details.