Rectification of orders: Settlement Commission may amend for apparent mistakes with notice and hearing when liability is modified. The Settlement Commission is authorized to amend orders under sub-section (4) to rectify any mistake apparent from the record within specified time limits counted from the end of the month in which the order was passed or from the end of the month in which a rectification application is made by the Principal Commissioner, Commissioner or applicant; applications outside the prescribed period are barred. Any amendment that would modify the applicant's liability requires notice to the applicant and the Principal Commissioner or Commissioner and an opportunity of being heard.