## Documentation Index

Access the complete documentation index at:
https://www.zoho.com/om/books/kb/llms.txt

Use this file to discover all available documentation pages before proceeding.

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# I do business within the GCC countries. How do I set this up in Zoho Books?

*   Go to the **Contacts** module on the left sidebar.
*   Click the **\+ New** on the top right corner of the page if you are adding a new contact or select the contact to edit.
*   In the **Other Details** tab select the **Tax Treatment** as **GCC VAT Registered**.
*   Enter your **Tax Registration Number (TRN)**.
*   Select your country under **Place of Supply**.
*   Click **Save**.

![Within GCC](/om/books/kb/images/taxes/within_gcc.png)