Why would I need to add Tax Residency in my account application?

Overview:

Non-US persons or entities must file an income tax return with the United States tax authority in order to claim a refund of over withheld or overpaid tax…

Clients are not required to report individual trades, dividends, or gains within an Investeringssparkonto (ISK) account on their tax return. Interactive Brokers calculates the ISK client's standard income and reports it to the Swedish Tax Agency (Skatteverket), which incorporates this information to pre-populate the client's annual tax return and determine the tax owed. The client then reviews and submits the return as usual, with the tax paid alongside their other taxes…

The US Internal Revenue Service generally considers individuals who spend a significant number of days in the United States each year to be U.S. taxpayers. The table flags customers who exceed those IRS rules for U.S. income tax residency and requires a W-9. Alternatively, it may be possible for you to satisfy the “closer connection test” or utilize a U.S. tax treaty to avoid U.S. tax residency. Please…

The base currency is an important aspect of your Interactive Brokers (IBKR) account. It affects various account features and operations. Here's what you need to know about base currency, how to change it, and its effects on your account:

• Changing Your Base Currency:…