Bulk licences for rough diamonds are issued for import of rough diamonds from any source, with an obligation to supply such diamonds to the holder of valid REP/Diamond Imprest Licence, EOU/EPZ units or to re-export the same. The supply/export of such rough diamonds shall be completed within a period of 12 months from the date of issuance of licence or within a period of three months from the date of import, whichever is later.