This article is to assist for errors that details problems with Customer TIN and BRN
Check the Related Lists table on the document.
In Zoho Books > the document that is failed to pushed > scroll down to the related lists table.
Check the customer's profile
In Zoho Books > the document that is failed to pushed > click on the company name link > customer page > edit,
Verify Customer TIN and BRN (make sure it is correct and matching the latest official values from LHDN)
please ensure you are using the latest BRN of your customer, and not the old BRN format
(you may need to look this up or get it directly from your customer)
Fill in registration numbers and MSIC codes where applicable, and if none are provided, fill the fields with "NA" as shown :
Double check that all values do not have any spaces inside, before, or after the data as this will also trigger an error.

To investigate TIN numbers and BRN numbers on your own:
ensure the BRN number is valid and correct from your customer
Proceed to the customer details widget
In Zoho Books > [when selecting the customer] > open the custom widget menu > customer details sidebar > check the TIN and BRN.
key in the registration number in the appropriate field, and then click "search taxpayer's TIN".
the TIN should autofill based on the correct value from LHDN if the BRN is correct or registered
