Ton, unit of weight in the avoirdupois system equal to 2,000 pounds (907.18 kg) in the United States (the short ton) and 2,240 pounds (1,016.05 kg) in Britain (the long ton).
Reseller permits allow: 1  Retailers and wholesalers to purchase items for resale in the regular course of their business without paying sales tax.  Manufacturers to purchase, without paying sales tax, ingredients or components that enter into and become a physical part of a new article or substance produced for sale.
Resale numbers are issued by state governments. Typically, you apply for a number from your state's tax agency, which issues you a resale license, permit or certificate bearing the number. Then, when you make purchases that aren't subject to sales tax, you provide the merchant your license or certificate number.