Good day
How can I amend the tax invoice company details, where I can show the company and customer VAT number?
Method 1: You can add the VAT number to the Customer address field Method 2: Create a Custom field for the VAT number and select Show CF on printed documents and Show at top of printed documents. See below:
I just added the tax number to the address field (Method 1 from @AJD )
To give me