Article 508. Supply of goods

1. Where the parties provide for the delivery of goods during the period of the contract of delivery by individual shipments and the timing of the delivery of individual shipments (periods of delivery) is not defined, The goods must be supplied by uniform shipments on a monthly basis, unless otherwise provided by law, other legal acts, the substance of the obligation or the customs of business. 3. A delivery schedule may be established in the contract for delivery (decadal, daily, hourly, etc.). 3. The advance delivery of goods may take place with the consent of the buyer. Early delivery and accepted by the buyer are counted against the quantity of goods to be delivered in the next period.