Section 10, Refund, Appellant / Registered Person's Claim Challenged the Order in Appeal Approved by the Collector (Appeal), The matters involved in the appeal were decided to the Supreme Court High Court level Appellant was entitled to input tax or refund. Without a time limit and cannot be allowed to claim input tax adjustments or refunds and also instructs the department to investigate the refund claims filed by the Appellate Federal Board of Revenue. In which all the concerned officers were also directed to take action. However, the appellant's right of scrutiny's refund requests, however, could not be apprehended by the department and it was the appellant's responsibility to prove his claim on the facts before jurisdiction. The relevant officer officer should be instructed to process the claimed refund within 60 days. Upon receipt of this letter and the appellant was instructed to appear before the concerned officer with all necessary supplies. Eri and supporting documents