Documents you can toss after you file your taxes

... need to report the purchase price, date of purchase, and number of shares. Keep Form 8606 reporting any nondeductible IRA contributions until you withdraw all the money from your IRA, so you won't be taxed again on those contributions when you take ...

http://money.msn.com/tax-tips/post.aspx?post=8ecf63bd-42e8-4208-b14c-4383a884e27b