Enter a valid email as all our communications regarding your purchases will be sent to the address indicated. We also recommend that you make our email address "email@example.com" "verified" so as to avoid it being considered Spam by your email client.
Your telephone number is important! In case of problems in the delivery of the products, the courier will have the possibility to contact you.
The PEC or Tax-code are needed to send e-invoices, without it we would have no way to send that document.