General Tax Information

Where can I get historical and current tax forms?
Tax form users guide
Tax: Non-US persons and entities: My Form 1042-S is incorrect
How can I make a charitable transfer of securities?
Certify your tax status
How do I configure the tax basis for the account?
How does a Non-Us person or Non-US entity claim a refund of US taxes?
I have received notice that the individual taxpayer identification number (TIN) on my account does not match that of the IRS. What do I need to do?
How can I make a charitable donation from my IRA?
EMIR reporting important information on self-reporting
Important notes regarding Form 13F filing alerts and reports provided by us
Why were my stock sale proceeds withheld for taxes?
What are the tax implications of selling covered securities?
Tax: Non-US persons and entities: Availability of Form 1042-S