When the buyer has made monitoring the delivery of the work in each such period. Vendors will need to continue to put the invoice immediately after delivery. In order to proceed to the next pay.
Once the buyer has made sure the delivery is in the mentioned period is correct. The sale will be conducted in the invoice immediately after delivery. To pay further.
When the buyer to verify the delivery of work in each period such that right. The seller must proceed in placing the invoice immediately after delivery. To carry out pay next .