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    Rechnungsprüfung DE — Pflichtangaben §14 UStG · GoBD · Vorsteuer (audited & signed) / German Invoice Compliance Check (§14 UStG / GoBD) — audited & signed SKILL.md

    1

    Formal check of German VAT invoice requirements (§ 14 UStG) and input-tax readiness (§ 15) — not tax advice.

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    Rechnungsprüfung DE — Pflichtangaben §14 UStG · GoBD · Vorsteuer (audited & signed) / German Invoice Compliance Check (§14 UStG / GoBD) — audited & signed SKILL.md

    Example session with this skill installed

    Prüfe diese Eingangsrechnung auf die Pflichtangaben nach § 14 UStG und ob der Vorsteuerabzug gefährdet ist:

    Nordlicht Dienstleistungen GmbH, Am Hafen 3, 20457 Hamburg
    An: Beispiel Technik GmbH, Hauptstraße 5, 80331 München
    Datum: 08.07.2026
    Beratungsleistung Projekt "Migration", 12 Stunden à 95,00 €
    Nettobetrag: 1.140,00 € · zzgl. 19 % USt: 216,60 € · Gesamt: 1.356,60 €

    • Read your context and instructions
    • Compiled the rechnungspr fung de

    HOLD-Befunde: keine. Mängel mit Vorsteuer-Risiko=ja: 1 (Steuernummer/USt-IdNr fehlt).

    Erfasste Merkmale

    Bruttobetrag: 1.356,60 € · USt ausgewiesen: JA (216,60 € / 19 %)
    Rechnungsnummer: FEHLT · Leistungsdatum: FEHLT · StNr./USt-IdNr.: FEHLT
    § 19 / § 13b / § 25a / Steuerbefreiung: alle NEIN

    Widerspruchsprüfung (W0–W6)

    W0: USt=ja · alle Hinweise=nein → NORMALFALL, kein Befund
    W1–W6: nicht gesetzt

    Rechnungstyp

    Regelrechnung (§ 14 Abs. 4 UStG) — Brutto > 250 €, kein Sonderfall.

    Festgestellte Mängel

    1. Steuernummer/USt-IdNr. des Leistenden FEHLT (§ 14 Abs. 4 Nr. 2) — Vorsteuer-Risiko: ja
    2. Fortlaufende Rechnungsnummer FEHLT (§ 14 Abs. 4 Nr. 4) — Vorsteuer-Risiko: ja
    3. Leistungszeitpunkt FEHLT (§ 14 Abs. 4 Nr. 6) — Vorsteuer-Risiko: ja
      (Rechnungsdatum allein genügt nicht — expliziter Vermerk nötig.)

    Verdikt-Herleitung

    W-Befunde: keine · Mängel mit Vorsteuer-Risiko=ja: 3 → HOLD

    Verdikt

    HOLD — Vorsteuerabzug gefährdet. Zahlung/Buchung bis zur Korrektur zurückstellen.

    Formale Prüfung der Pflichtangaben, keine Steuerberatung (§ StBerG).

    Connects securely to your tools. The creator never sees your data.

    What you get

    Verify German VAT compliance for incoming invoices.Audit low-value receipts under the 250 EUR threshold.Flag risk of lost input tax deduction before payment.Detect contradictions like VAT charged despite a § 19 / § 13b note (§ 14c risk).

    About this skill

    A portable SKILL.md that checks a German invoice against the mandatory VAT fields of § 14 Abs. 4 UStG and its readiness for input-tax deduction (Vorsteuerabzug, § 15) — in seconds, inside the AI tool you already use (Claude, Codex, Gemini, Cursor and others). What it does

    Full Pflichtangaben check per § 14 Abs. 4 UStG, with the exact source for each field. Correctly detects special cases instead of flagging them as errors: small-amount invoices (§ 33 UStDV, ≤ 250 €), reverse-charge (§ 13b), small-business (§ 19), margin scheme (§ 25a), Gutschrift. A mechanical contradiction check — e.g. VAT shown despite § 19 → § 14c — the expensive mistakes a plain checklist misses. A clear verdict: PASS / REVISE / HOLD, each defect with the concrete correction and its input-tax risk. Built-in GoBD note and a DSGVO reminder when real invoices are processed by a cloud AI.

    Who it's for Bookkeepers, freelancers and small firms in Germany who want a fast, consistent first pass on incoming or outgoing invoices before booking or payment. Formal check of the mandatory fields — not tax advice, no substitute for a Steuerberater (§ StBerG). Audited & signed Every check rule is GPG-signed (fingerprint-safe, so it still verifies after download). Verify against this fingerprint:

    3E5C 01D0 6619 A997 5C83 DDA7 7273 DD27 D9C1 E2B1

    Instructions: references/VERIFY.md in the package. Automate recurring invoice checks in your company and have them maintained → julianescorpio@proton.me

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
    1. 1

      Download the ZIP

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      Unzip into your skills folder

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      Ask your agent to use it

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