Are sellers allowed to ask for fiscal code?

[gfleck87]

I bought some stickers for 4 euros and the seller is asking me for my fiscal code. He said it was the shipping company that ask him. I live in Italy and the seller is from US. This is normal?

[tdumonde2014]

What is a "Fiscal Code"?

[gfleck87]

The Italian fiscal code, officially known in Italy as Codice fiscale, is the tax code in Italy, similar to a Social Security Number (SSN)

(Text from Wikipedia)