Tag: validation
All the articles with the tag "validation".
-
Contract-to-Invoice Compliance: Catching Payment Term and Amount Mismatches Before Booking
How contract-to-invoice compliance checks work in practice — detecting payment term mismatches, recurring amount anomalies, and expired contract periods before invoices reach your accounting system.
-
Building a Deterministic Invoice Validation Pipeline in Kotlin
How I designed a deterministic, versioned validation pipeline for e-invoices using Kotlin and Spring Boot — covering rule versioning, idempotent processing, async job queues, and audit requirements.
-
How XRechnung Validation Works in Germany
A practical overview of XRechnung and ZUGFeRD validation in Germany — what 'valid' actually means, common errors, and why schema-compliant invoices still fail in accounting.