When you live in Italy as an expat, you will encounter a "marca da bollo" and wonder what it is and why you need it. Here's a simple breakdown.What Is a Marca da Bollo?A marca da bollo is an official tax stamp issued by the Italian government. It's used to certify that a payment has been made to the tax authorities, often for administrative paperwork. Think of it as a physical proof that you've paid a required fee for certain official documents.You can buy a marca da bollo at most tobacconis...