Forest valuation report requires a registered valuer to detail ownership, area, valuation factors and declare no interest. Form O-4 requires a registered valuer to state purpose and date of valuation, owner and joint-ownership shares, location and area in hectares, and to provide a detailed valuation explaining factors considered such as kind and density of timber and mode of transportation; the valuer must declare truthfulness of information, absence of direct or indirect interest, personal inspection of the forest and examination of tehsil/district revenue records, and sign with registration number, place and date.