Some countries require additional data such as customs information or tax identification numbers when shipping internationally.

Some examples:

• Cadastro de Pessoas Físicas (CPF) or Cadastro Nacional da Pessoa Jurídica (CNPJ) for Brazil 
• People's Republic of China Resident Identity Card for China
• Personal Customs Clearance Code (PCCC) for South Korea
• Codice Fiscale (CF) and Posta Elettronica Certificata (PEC) for Italy

The "Additional Information" section of the Shopfy Admin's order detail page will display these additional fields:

We've pushed an update to  …