Rectification of mistake: permits amendment of tax orders to correct apparent errors, subject to time limits and opportunity to be heard.

An income-tax authority may amend any order or intimation to rectify mistakes apparent from the record, including nonconformity with subsequent court decisions, later amendments to the Code, or findings in orders relating to the assessee or other assessees that affect liability; amendments are generally subject to a two-year limitation from the end of the relevant financial year (subject to Board prescription), require a reasonable opportunity of hearing if adverse to the assessee, may be made suo motu or on application, must be decided within six months or be deemed rejected, and cannot alter matters decided in appeal or revision.

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