what is form 1099 b proceeds from broker and barter exchange transactions 
form 1099 b proceeds from broker and barter exchange transactions is an internal revenue service irs tax form used by brokerages and barter exchanges to record customers gains and losses during a tax year individual taxpayers receive the form from their brokers or barter exchange already filled out taxpayers transfer the information from a 1099 b to form 8949 to calculate their preliminary gains and losses the result is entered onto schedule d of their tax return who can file form 1099 b proceeds from broker and barter exchange transactions brokers must submit a 1099 b form to the irs and send a copy directly to every customer who sold stocks options commodities or other securities during the tax year the irs requires submission of the form to serve as a record of a taxpayer s gains or losses 1 forms are required to be sent to investors by february 15 2for example let s assume you sold several stocks last year the proceeds of the sales were 10 000 that figure will be reported to the irs by the brokerage via a 1099 b form and by you as a report of a taxable capital gain the form may also be filed by companies that participate in certain bartering activities with others for this the form is used to report changes in capital structure or control of a corporation in which you hold stock 1the broker or barter exchange must mail a copy of a 1099 b form to all clients by feb 15 of the year following the tax year if you don t receive yours contact the issuer for a replacement copy 2