A registered person may claim a refund of unutiliźed
ITC on account of inverted duty structure at the end of any tax period where the credit has accumulated on account of rate of tax on inputs being higher than output supplies. Exceptions 1.output supplies are nil rated or fully exempt supplies except supplies of goods or services . In this case goods exported out of india are subject to export duty. if supplier claims refund of output tax
In this case it can be filed within 2 years from the date of end of financial year.