The purchase order issued by the Buyer shall not be regarded as accepted by the Seller unless confirmed in writing by the latter or a representative of the Seller within 21 days of making out the purchase order. Quantity, quality and description or any other specifications of the goods and services shall be governed by a quotation submitted by the Seller, if approved by the Buyer, or by the purchase order confirmed by the Buyer. The Buyer is responsible for accuracy of the conditions and data in the purchase order made out by him and shall be responsible for providing information necessary for the Seller related to the order goods and services and the way of delivery well in advance so the Seller would be able to perform the contract according to its conditions. Should the goods of the Seller to be modified from the standard design or newly developed or should any processes to be applied to the goods or services by the Seller in conformity with the specification submitted by the Buyer, the latter assumes responsibility for breach of any patents, copyrights, design, trademarks, other intellectual property rights of third parties in relation with the specifications required by him and shall be responsible for any compensation of material damage incurred to the Seller due to application of any claims raised by third parties against the Seller. In case of the changes mentioned above, price of the goods and services shall be specified in an individual calculation of the Seller, whereas the Seller shall have the right to include any and all costs and expenses related to the development or making of stock reserves resulting from the application of the specification submitted by the Buyer to the Seller. In case of disputes, the price specified in the price list of the Seller or in the original quotation without inclusion of modifications required by the Buyer at any time later may not be referred to. The Seller reserves the right to make any changes in the specifications of the goods or in the provision of the services required by law.