Follow the steps to fill out the form correctly.

1. Click ‘Get Form’ button to access the form and open it in your preferred editor.
2. Begin by entering your name as it appears on your identification card, passport, or company registration documents in the designated field.
3. Provide your new IC, passport number, or company registration number in the specified section.
4. Acknowledge that the information provided will replace any existing details in the bank's records by checking the understanding box and entering the effective date for the changes in the format dd/mm/yy.
5. List the account numbers for which you wish to change the contact details in the allotted space.
6. Provide proof documents if you are changing your address or telephone number in the USA, including W-8Ben or W-9 forms, and any additional supporting documents in the areas provided.
7. Indicate your correspondence address by selecting either home or office, and fill in the respective fields for the street address, city, state, and postcode.
8. Certify that you are aware of the legal implications in your new country of residence concerning your banking with Citibank. This can be done by signing where indicated at the bottom of the form.
9. List the telephone numbers, ensuring to include the country and area codes for both local and international numbers in the provided fields.
10. Lastly, review all entered details for accuracy, save your changes, and choose to download, print, or share the form as necessary.

Begin your document completion online to ensure your information is up to date.