Under conditions of proper transportation, installation, utilization, environmental conditions and maintenance of products ensured by buyer, within ten years since delivery day (subject to the original delivery and payment voucher presented by both parties), if products arise with any incompliance with such terms in above clause 1.1, buyer should inform direct supplier of products manufactured by Pornjaroen Solar (Thailand) Co.,Ltd. within five working day, so as to reduce losses caused by deterioration of the problem for both parties. On receiving and confirming problem report from buyer, direct supplier should handle problem in time with replacement of defected products or compensation for component damages.