Section 5(2) in The Customs (Import of Goods at Concessional Rate of Duty) Rules, 2017
(2)The importer who intends to avail the benefit of an exemption notification shall submit a continuity bond with such surety or security as deemed appropriate by the Deputy Commissioner of Customs or Assistant Commissioner of Customs having jurisdiction over the premises where the imported goods shall be put to use for manufacture of goods or for rendering output service, with an undertaking to pay the amount equal to the difference between the duty leviable on inputs but for the exemption and that already paid, if any, at the time of importation, along with interest, at the rate fixed by notification issued under section 28AA of the Act, for the period starting from the date of importation of the goods on which the exemption was availed and ending with the date of actual payment of the entire amount of the difference of duty that he is liable to pay.
