Bill of Entry amendment procedure: online filing with e Sanchit evidence; approvals may be automated or officer based. Amendments to Bills of Entry must be filed online via the Common Portal or Service Centre with supporting documents uploaded in e Sanchit. Amendments are either auto approved-limited to additions like Bill of Lading details processed automatically under Section 149-or require officer approval for deletions, modifications, or other changes; processing routes depend on whether the amendment is before assessment, after assessment but before Out of Charge, or after Out of Charge, and whether the amendment affects assessment.