Merchant-Buyer Solution / e-invoicing format or profile signals · Local tax/business identifier structure · Core invoice fields and arithmetic consistency
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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 National platform, network or recipient-specific electronic channel. and preserve the official response.
The stack defines the implementation order. Full official schema artefacts, credentials, certificates and transport adapters must be integrated separately.
Methodology
Validation stack builder · Nigeria
Build the ordered validation layers needed for a country, from file integrity and syntax through security and official outcome.
What the tool checks
File and syntax layer
Semantic and national rules
Identity and security
Authority or network response
What it cannot confirm
Technical check only
Official artefacts and credentials are not bundled