Proceeds from Broker Transactions. Use the 1099-B Copy B to print and mail payment information to the recipient (payee) for submission with their federal tax return. Forms are 2-up on an 8.5" x 11" sheet with a side perforation and are printed on 20# laser paper. Order the quantity equal to the number of employees for which you need to file. Mail in envelope #RDWENV05 or #RDWENVS05.