diff --git a/ai-compliance-sdk/internal/iace/datasources/fmd91_nprd_failure_modes.md b/ai-compliance-sdk/internal/iace/datasources/fmd91_nprd_failure_modes.md
index b8083771..f24e15ce 100644
--- a/ai-compliance-sdk/internal/iace/datasources/fmd91_nprd_failure_modes.md
+++ b/ai-compliance-sdk/internal/iace/datasources/fmd91_nprd_failure_modes.md
@@ -5,18 +5,22 @@ anchor for the IACE auto-FMEA. Ingested into `bp_iace_fmea_kb`. The bulk numeric
 tables are fetched from the DTIC PDFs in a follow-up P1 step; this doc fixes the
 sources + the per-component mode lists used to seed the gated library (P2).
 
-## Sources
-- **FMD-91** (RAC/DTIC) — *Failure Mode / Mechanism Distributions* — modes +
-  mechanisms with **% distribution (α)** per part class. **Public domain**
-  ("Approved for Public Release; Distribution Unlimited"). DTIC ADA259655.
-- **NPRD-91 / NPRD-95** (RAC/DTIC) — *Nonelectronic Parts Reliability Data* —
-  field **failure rates λ** for mechanical / electromechanical parts. **Public
-  domain.** DTIC ADA242083.
-- **MIL-HDBK-217F** (US DoD) — electronic-part failure-rate models λ. Public
-  domain (obsolete 1995 but legally free).
-- **Attribution:** `Source: FMD-91 / NPRD-91 (RAC, DTIC), public domain`
-- **AVOID:** Quanterion NPRD-2023 / FMD-2016 / EPRD-2024 (proprietary reissues),
-  OREDA (commercial), FIDES tables (© DGA — read-only), ISO 14224 (copyrighted).
+## Sources & licence (CORRECTED 2026-06-12 — NOT public domain)
+- **FMD-91** (RAC/DTIC, ADA259655) and **NPRD-91/95** (RAC/DTIC, ADA242083) carry
+  **"© 1991, IIT Research Institute. All Rights Reserved."** + DoD "Approved for
+  public release; distribution unlimited". The distribution statement allows us to
+  OBTAIN/READ them; it is **NOT** a licence to reproduce the tables in a commercial
+  product. Treat exactly like DIN/ISO: **do not reproduce the tables, do not bulk-
+  ingest them.** Their successor (Quanterion) sells the data commercially.
+- This doc therefore reproduces **no FMD-91/NPRD table** — only a GENERIC failure-
+  mode taxonomy (general engineering knowledge / CC-BY-SA Wikipedia) and source
+  pointers. The λ/α numeric tables are **NOT vendored**.
+- **MIL-HDBK-217F** (US DoD employee work) — electronic-part λ models — **is**
+  public domain (genuine DoD standard).
+- **AVOID reproducing:** FMD-91/NPRD-91 tables (© IITRI), Quanterion NPRD-2023 /
+  FMD-2016 / EPRD-2024 (proprietary), OREDA (commercial), FIDES tables (© DGA),
+  ISO 14224 (copyrighted). Never use any of these "in conjunction with the name"
+  of the US Government or IITRI without written permission.
 
 ## Failure modes by component class (open — FMD-91 + CC-BY-SA Wikipedia)
 | Component class | Typical failure modes |
diff --git a/ai-compliance-sdk/internal/iace/datasources/mil_std_1629a_fmeca.md b/ai-compliance-sdk/internal/iace/datasources/mil_std_1629a_fmeca.md
index 0d9332a4..3a1cf283 100644
--- a/ai-compliance-sdk/internal/iace/datasources/mil_std_1629a_fmeca.md
+++ b/ai-compliance-sdk/internal/iace/datasources/mil_std_1629a_fmeca.md
@@ -33,7 +33,8 @@ core RAG collection `bp_iace_fmea_kb`.
 ## How used in IACE
 - The **Cm formula** and the **severity × criticality matrix** are the public-domain
   criticality backbone (`CriticalityCm` in fmea_data_sources.go).
-- λp/α come from NPRD-91 / FMD-91 (public domain); β and t from the project context.
+- λp/α are informed by FMD-91/NPRD-91 as a READ reference only — those are
+  © IITRI (All Rights Reserved), not reproduced; β and t from the project context.
 - Severity resolves through the linked EN ISO 12100 hazard (safety-FMEA bridge).
 
 No AIAG-VDA / SAE J1739 / IEC 60812 content is reproduced.
diff --git a/ai-compliance-sdk/internal/iace/fmea_data_sources.go b/ai-compliance-sdk/internal/iace/fmea_data_sources.go
index 709332ba..9f9d63ba 100644
--- a/ai-compliance-sdk/internal/iace/fmea_data_sources.go
+++ b/ai-compliance-sdk/internal/iace/fmea_data_sources.go
@@ -10,9 +10,10 @@ package iace
 
 // FMEADataSourcesNote is the audit/attribution line for the FMEA methodology.
 const FMEADataSourcesNote = "FMEA-Methodik + Skalen verankert an US-Gov Public Domain " +
-	"(MIL-STD-1629A FMECA-Kritikalität, MIL-STD-882E Severity/Probability, NASA RCM). " +
-	"Ausfallraten/Mode-Verteilungen aus NPRD-91/FMD-91 (RAC, Public Domain). " +
-	"Das 1-10-Mapping ist BreakPilot-eigen; KEINE AIAG-VDA/SAE/IEC-Tabelle reproduziert."
+	"(MIL-STD-1629A FMECA-Kritikalität, MIL-STD-882E Severity/Probability, NASA RCM, " +
+	"MIL-HDBK-217F). Das 1-10-Mapping ist BreakPilot-eigen. FMD-91/NPRD-91 (RAC) sind " +
+	"© IITRI „All Rights Reserved\" — nur Lese-Referenz, Tabellen werden NICHT reproduziert. " +
+	"KEINE AIAG-VDA/SAE/IEC-Tabelle reproduziert."
 
 // FMEASeverityBand maps a MIL-STD-882E Table-I severity CATEGORY to our 1-10 S.
 type FMEASeverityBand struct {