The bond of seller is the same thing as a sales tax bond. This is the title of the bond given by the state of California for merchants who will collect sales tax. It is normally only required for the first two years in business. It may also be required if the merchant was late and remitting collect in sales tax in the past. Depending on the size of the bond these can normally be approved with a simple credit check. Larger bonds will require financial statements. The rate for this bond is normally 2%.