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+====== P1-REQ-13-2-003 ======
+[[dido:99_annexes:annex-d-requirements:part-01:start|Return to Part 1 Requirements]]
+===== Statement =====
+The Conceptual Architecture SHALL NOT allow implementation technologies to redefine conceptual elements.
+===== Source =====
+Part 1, Section 13.2: Conceptual Separation Requirements.
+===== Rationale =====
+Implementation technologies realize architectural intent within a selected technical environment. They do not establish the conceptual meaning of the architecture. When implementation technology redefines a conceptual element, the conceptual model becomes dependent on a selected platform, tool, language, middleware, database, runtime, or deployment mechanism.
+This requirement protects the Conceptual Architecture from technology lock-in and preserves stable meaning across multiple logical models, implementation profiles, and deployment approaches.
+===== Applies To =====
+This requirement applies to all references to implementation technologies within the Conceptual Architecture.
+It applies specifically to technologies such as:
+  * Programming languages
+  * Middleware
+  * Databases
+  * Runtime platforms
+  * Container technologies
+  * Network technologies
+  * Development tools
+  * Generated artifacts
+===== Verification =====
+Verification SHALL confirm that implementation technologies do not redefine conceptual elements.
+Verification activities include review checks confirming that:
+  * Conceptual elements remain technology-neutral
+  * Technology examples appear only as examples, notes, or later implementation mappings
+  * Implementation profiles map to conceptual elements without changing their meaning
+  * Tool-specific or platform-specific terms do not replace conceptual terms
+===== Traceability =====
+Related source section:
+  * [[fxdemo:01-part:13-conceptual-requirements:13-2-conceptual-separation-requirements]]
+Related requirement identifiers:
+  * [[dido:99_annexes:annex-d-requirements:part-01:p1-req-13-2-001:start]]
+  * [[dido:99_annexes:annex-d-requirements:part-01:p1-req-13-2-002:start]]
+  * [[dido:99_annexes:annex-d-requirements:part-01:p1-req-13-2-004:start]]
+  * [[dido:99_annexes:annex-d-requirements:part-01:p1-req-13-2-005:start]]
+===== Status =====
+Draft