13.2 If within 12 months from the data the PRODUCTS are put to use on the BUYER's production line, or in the BUYER's premises, but in no event for more than 24 months from the date of delivery, the BUYER shall notify the SELLER of a defect (being a fault in workmanship, material or design, or a discrepancy from the PURCHASE ORDER description or specification) and the SELLER shall repair or replace DEFECTIVE PRODUCTS at the SELLER's expense (including packing and carriage), subject to a like warranty. The SELLER acknowledges that such repair or replacement may have to be carried out at the BUYER's premises and that it will not always be possible to return DEFECTIVE PRODUCTS to the SELLER's premises for repair.