Rectification of orders allows correction of clerical or arithmetic mistakes any time, with Form NCLT.9 applications within two years. Rectification of Order permits correction of clerical or arithmetical mistakes and errors from accidental slips or omissions in Tribunal orders, either on the Tribunal's own motion or on party application; rectification of a final order (not interlocutory) requires Form No. NCLT.9 and must be filed within two years from the date of the final order.