Refund rejection notice under GST: show cause requirement with short reply window and potential ex parte decision. Notice states the refund application is liable to be rejected, specifying selectable reasons of inadmissibility and corresponding amounts inadmissible. The recipient is called upon to show cause, directed to furnish a reply within a short prescribed period or to appear for personal hearing on a stated date and time. Failure to reply or appear will result in an ex parte decision on available records. The form includes acknowledgement/ARN fields and issuing officer's signature and office details.