During checkout, you can always edit your > Address Information, Shipping Method or Payment Information For MD and IN Tax Exempt Customers: You will be able to state your tax exempt status in the "Additional Comments" box at the last "Review and Submit" page. Please also fax a copy of your tax certificate to 240-238-0669. Order total will be adjusted after the certificate is approved.
For International Customers: Orders may be subject to an additional handling fee.