Tax invoice for samples and free of charge

can we use code 0101000 for samples and free of charge invoices as we will bear vat amount instead of customers and showing only our VAT number in XML summited to ZATCA ( standard tax invoice with vat amount only )

In case of Nominal Supplies, taxpayer should generate a Tax Invoice or a Simplified Tax Invoice depending on whether the recipient is a business or end consumer. The Invoice Transaction Type code (KSA-2) should show that Invoice is towards Nominal Supply by ensuring that 4th position in NNPNESB code is 1 (true).