Taiwan Tax ID Number
Unified Business Number (UBN)
For Entities, VAT, Example: 28739205
The Taiwanese Unified Business Number (UBN) is 8 digits in length. It is assigned to businesses within Taiwan for tax (VAT) purposes. It serves as a unique identifier for companies, similar to a Taxpayer Identification Number or Company Registration Number in other jurisdictions, and is used for tax purposes, government filings, and official business transactions.
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