Return of defective inputs: amendment allows return to original supplier and requires addition to non-duty-paid stock. The amendment to rule 6 permits a manufacturer to return defective, damaged, unsuitable or surplus subject goods to the original supplier; such returned goods must be added to the non-duty-paid stock of the manufacturer of the subject goods. It also expands the Explanation to cover transit loss or damage both from the place of procurement to the manufacturer's premises and from the manufacturer's premises to the place of procurement.