The preliminary review of the device is performed on the date allocated following the enrollment of the purchase. In this review, the organization's abilities and production controls, quality management methods, available testing centers, and also the technical abilities of their employees are evaluated. Samples of the goods are analyzed and additionally extracted for analysis in the laboratories given for the item. Charges for preliminary visits have been charged at the rate determined by the BIS from time to time. The applicant should pay the expenses of this exam established during a preliminary trip to a different evaluation.