Invoices are now way more faster then you think
1. Enter phone number with country code
2. Enter registered company number as gst or tin number (optional)
eg: Axin38zsodh4 [ length limit of minimun-12 and max-15 characters ]
3. Enter Terms and conditions for the company
eg: No return of products are applicable or company is not responsible for any damage after purchase
4. All fields are editable while creating invoice or work order except registered email id