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# Can I use my VAT group’s TRN for e-invoicing across all VAT group members?

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No. E-invoicing uses the business’s Tax Identification Number (TIN), not the VAT group’s Tax Registration Number (TRN). Each VAT group member must obtain its own TIN from the EMARA Portal, even though the group files VAT returns under a single TRN.

The VAT group TRN continues to be used for VAT reporting, but it is not used as the e-invoicing identifier. Each VAT group member must therefore complete e-invoicing onboarding separately and use its own TIN and Peppol Participant ID to exchange e-invoices.