About W-8 forms

Information to help you understand and manage your W-8 documentation for your CommSec International Shares Account.

Important information

If you have a CommSec International Shares Account, we may ask you to provide or renew W-8 documentation.

W-8 forms are U.S. tax documents used to provide information for U.S. withholding and reporting purposes. Depending on your circumstances, they may also be used to claim a reduced rate of U.S. withholding under an applicable tax treaty.

Having valid W-8 documentation can affect the withholding and reporting treatment applied to certain payments, such as dividends. If valid documentation isn't held, different withholding may apply and, in some circumstances, the amount withheld may be higher.
 

Next steps 

If we've asked you to renew your W-8, follow the instructions in the communication we sent you.

Before completing the relevant W-8 form, please review the applicable Internal Revenue Service (IRS) instructions and/or seek independent advice to determine which form is most appropriate for your circumstances.

For step-by-step instructions, see our W-8 renewal guide.

If your details or circumstances have changed, you may need to update your W-8 documentation before it would otherwise expire. See What if my details or circumstances have changed? below.

Your questions, answered

Find the answers to your questions about W-8 forms.

There are several types of W-8 form. For CommSec International Shares Accounts, you may be asked to provide forms including:

  • W-8BEN – generally used by foreign individuals to provide information about their status for U.S. withholding and reporting purposes.
  • W-8BEN-E – used by certain foreign entities and includes additional questions about the entity's U.S. tax status, including its FATCA classification.

If you're completing an entity form and aren't sure about the entity's tax classification, FATCA classification or treaty eligibility, consider seeking independent professional tax advice.

We use W-8 documentation to provide information needed for U.S. withholding and reporting on your International Shares Account. Depending on your circumstances, valid documentation may also support a reduced rate of U.S. withholding under an applicable tax treaty.

W-8BEN and W-8BEN-E forms are generally valid until 31 December of the third calendar year after the year they were signed. Different rules can apply in some circumstances. A form can also stop being valid earlier if information on it is no longer correct.

W-8 forms need to be completed and submitted electronically through the International Shares platform.

For step-by-step instructions, see the relevant W-8 renewal guide:

If valid U.S. tax documentation is no longer held, the withholding or reporting treatment applied to relevant payments may change.

In some circumstances, a higher rate of U.S. withholding may apply. There isn't one withholding rate that applies in every situation. Any amount withheld is not necessarily the same as your final U.S. or Australian tax liability.

Australian Treaty Benefits

Valid W-8 form

Invalid or no W-8 form

Sell trades

0% tax on sale proceeds

30% tax on sale proceeds

Dividend payment

15% tax

30% tax

The above table is only used to show the difference a valid W-8 form can make. There may be other tax implications. Please speak to your accountant to understand your personal situation and implications. 

If a change makes information on your W-8 incorrect, don't wait until the form reaches its normal expiry.

Internal Revenue Service (IRS) rules generally require you to notify the relevant withholding agent, payer or financial institution within 30 days of a change that makes information on a W-8BEN or W-8BEN-E incorrect.

Whether a change affects your U.S. tax status, the documentation you need or the tax treatment of a payment depends on your circumstances.

If you're unsure how a change affects your tax position or how to answer a tax question, consider seeking independent professional tax advice.

If you have a joint International Shares Account, both account holders need to complete and submit their own W-8 form. This means two separate W-8 forms are required for the account.

If we’ve asked you to renew your W-8 for the joint account, each account holder will need to complete their renewal separately.

For trust, organisation and SMSF accounts, only the primary account holder needs to complete the W-8 tax form for the account. If the W-8 form we have on file is due to expire at the end of the calendar year, we’ll contact the primary account holder with instructions on how to renew it.

Help when it matters

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CommSec can't provide personal tax advice or determine your tax residency, U.S. tax status, entity or FATCA classification, treaty eligibility or final tax liability.

If you need help with your tax circumstances, consider seeking independent professional tax advice.

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© Commonwealth Securities Limited ABN 60 067 254 399 AFSL 238814 (CommSec) is a wholly owned but non-guaranteed subsidiary of the Commonwealth Bank of Australia ABN 48 123 123 124 AFSL 234945. CommSec is a Market Participant of ASX Limited and TMX Australia Exchange Pty Limited, a Clearing Participant of ASX Clear Pty Limited and a Settlement Participant of ASX Settlement Pty Limited.

The information on this page has been prepared without taking into account your objectives, financial situation or needs. For this reason, any individual should, before acting on this information, consider the appropriateness of the information, having regards to their objectives, financial situation or needs, and, if necessary, seek appropriate professional advice.

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