## 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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# My TRN doesn’t display on my Invoice. What should I do?

*   Click the **Gear** icon on the top right corner of the page.
*   Select **Preferences**.
*   Under General, scroll down to the **Organisation Address Format**.
*   Click **Insert Placeholders**.
*   Select the tax label that you have set and your **Tax Registration number (TRN)**.
*   Click **Save**.

![Contact TRN](/ae/books/kb/images/taxes/cont_trn1.png) ![Contact TRN](/ae/books/kb/images/taxes/cont_trn.png)

Now, you will be able to see your TRN on all your sales transactions.