- The e-Fatura (e-Invoice) Package will be updated by the Revenue Administration (GİB) effective December 1, 2025, impacting technical validation rules, code lists, and integration forms.
- Code lists (ProfileID types, invoice types, tax exemption and withholding codes) have been expanded and corrected for up-to-date compliance.
- Schematron controls are strengthened with stricter validations for invoice compatibility, currency codes, signature formats, tax structures, and limits on invoice packaging.
- Envelope and header rules are updated for clearer sender/receiver ID formatting, required document header fields, and correct envelope usage.
- Integration forms remain unchanged structurally, but integrators must ensure public IPs, HTTPS endpoints, and current technical contact details.
Source: fiscal-requirements.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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