If you are a U.S. citizen or a green card holder, you will need to provide your SSN/ITN number for tax compliance purposes. You can enter it into your profile under the ‘SSN/ITN declaration’ option in the ‘Account details’ section.
To do this, follow these steps:
1. On the app’s home page, select your avatar or photo to go to your profile.
2. On your profile page, select 'Account details'.
3. On the next page, select ‘SSN/ITIN declaration’ at the bottom.
4. Then enter the SSN/ITN number in the relevant field and select save.
5. Upon successful completion of the process, the following image will be displayed.