itbit states that all US customers will get a 1099.

[raiders72001]

ACCOUNT REPORTING DOCUMENTS

Monthly and quarterly account statements are sent to all US customers along with year-end 1099 forms for tax reporting.

https://www.itbit.com/exchange

[daveydips]

I signed up for them last week.. They asked me for my social than they mentioned the tax forms.. I'll pass, if I gotta just use local bitcoins than so be it