Desk with calculator, financial documents and a pen

Payment Terms

How payment and billing work for individuals and institutions

Individual orders

Payment by credit/debit card must accompany all orders from individuals. Applicable sales taxes and shipping charges may be added. (See Shipping Charges.)

Schools and authorized institutions

Schools and other authorized institutions have Net 30-day payment terms from the invoice date or upon receipt of ordered items.

All schools and institutions wishing to be considered for such authorization must fill in an application and provide a valid state-issued tax exemption certificate before tax-exempt status can be applied to their account. Certificates must be renewed when expired.

Questions about your account or payment terms? Contact us — we are happy to help.