(3)The Competent Authority shall dispose of the petition within a period of one hundred eighty days from the date of seizure by either confirming or by setting aside such order, after giving an opportunity of being heard to the representatives of the Directorate of Enforcement and the aggrieved person.Explanation. - While computing the period of one hundred eighty days, the period of stay granted by court shall be excluded and a further period of at least thirty days shall be granted from the date of communication of vacation of such stay order.