After completing your order, we will advise you of the availability if not in stock. There is a one year full warranty on parts and labor for all instruments, FOB Grand Island, NY. Payment net thirty (30) days (CREDIT REFERENCES MAY BE REQUIRED) or credit card  (AMEX, MasterCard, or VISA). The above does not include shipping/handling charges. These charges will be added to final invoice. Taxes are not applicable on scientific parts and equipment.