VAT invoice requirements; e-invoicing readiness format or profile signals · Local tax/business identifier structure · Invoice completeness and arithmetic consistency; no official acceptance claim
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5. Identity and routing
Validate national taxpayer and recipient identifiers.
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6. Security
Review signature or security requirements where the active profile requires them.
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7. Official outcome
Submit or route through No single national clearance route is represented as universal. and preserve the official response.
The stack defines the implementation order. Full official schema artefacts, credentials, certificates and transport adapters must be integrated separately.