All payments are to be made in U.S. currency. We accept checks, cashier checks, money orders, credit cards, wire transfers, and purchase orders pending credit approval. Mail checks to: Whitaker Brothers®, Attn: A/R Dept., 3 Taft Court, Rockville, MD 20852. First time orders paid by check are held until cleared by the bank. To avoid delays in shipping, please make sure that checks are made out for the invoice amount to include shipping charges and tax. There will be a $25.00 fee on all returned checks. Cashier checks, money orders, and checks can take up to 14 business days to clear the bank. We accept the following major credit cards: Visa, MasterCard, American Express, and IMPAC. Purchase orders will be accepted from approved customers only. To apply for credit, please call our Accounts Receivable Dept. at 800-243-9226. Approved customers are given a 30-day net credit for payment of invoices. Invoices unpaid over 30-days are subject to a 1.5% per month finance charge. International shipments must be paid in advance by wire transfer. For wire transfer procedures, please call or e-mail our accounts receivable department at 800-243-9226 or firstname.lastname@example.org, prior to ordering.