Most states in the USA require taxes be collected on sales transactions between customers and vendors physically located in the same state.

Structure Probe, Inc. and SPI Supplies has one physical location, headquartered in Pennsylvania. When we ship orders to customers physically located in Pennsylvania, we are required by the laws of the Commonwealth of Pennsylvania to collect the appropriate state sales taxes and then remit these collected taxes to the Commonwealth of Pennsylvania.

Note: If you are a customer in Pennsylvania able to purchase tax-exempt, provide the appropriate tax exemption certificate, and we will not add the PA state sales tax to your orders.

Occasionally, we may also be required to collect sales taxes for other states, under certain conditions. Any time that we have a legal obligation to collect state sales taxes, we will add the appropriate charges to the order and inform you of such. In general, we do not collect sales taxes on shipments outside of Pennsylvania.