diff --git a/process/general_concepts/_assets/score_building_blocks_meta_model.drawio.svg b/process/general_concepts/_assets/score_building_blocks_meta_model.drawio.svg
index 2e2d3a20da..6655290a55 100644
--- a/process/general_concepts/_assets/score_building_blocks_meta_model.drawio.svg
+++ b/process/general_concepts/_assets/score_building_blocks_meta_model.drawio.svg
@@ -1,4 +1,4 @@
-
+
diff --git a/process/process_areas/architecture_design/guidance/architecture_process_reqs.rst b/process/process_areas/architecture_design/guidance/architecture_process_reqs.rst
index eebe43a70a..59eaf3008e 100644
--- a/process/process_areas/architecture_design/guidance/architecture_process_reqs.rst
+++ b/process/process_areas/architecture_design/guidance/architecture_process_reqs.rst
@@ -158,8 +158,8 @@ Attributes of Architectural Elements
* valid
* invalid
-Traceability to Requirements
-----------------------------
+Traceability to Requirements and AoU
+------------------------------------
.. gd_req:: Architecture attribute: fulfils
:id: gd_req__arch_attr_fulfils
@@ -168,7 +168,16 @@ Traceability to Requirements
:complies: std_req__iso26262__support_6425, std_req__aspice_40__SWE-2-BP4
:satisfies: wf__cr_mt_featarch, wf__cr_mt_comparch
- Each architectural element shall be linked to a requirement.
+ Each architectural view (feature/comp_arc_sta, feature/comp_arc_dyn) and interface (logic/real_arc_int) shall be linked to a requirement.
+
+.. gd_req:: Architecture attribute: fulfils (AoU)
+ :id: gd_req__arch_attr_fulfils_aou
+ :status: valid
+ :tags: manual_prio_1, attribute, mandatory
+ :complies: std_req__iso26262__support_6425, std_req__aspice_40__SWE-2-BP4
+ :satisfies: wf__cr_mt_featarch, wf__cr_mt_comparch
+
+ Each architectural static view (feature/comp_arc_sta) shall be linked to AoUs if the element (feature/comp) fulfills these.
.. gd_req:: Architecture traceability
:id: gd_req__arch_traceability
@@ -250,6 +259,16 @@ Checks for Architectural Design
* Functional requirements <-> static / dynamic architectural elements (feat_arc_sta, feat_arc_dyn)
* Interface requirements <-> interface architectural elements (logic_arc_int, logic_arc_int_op)
+.. gd_req:: Check of Architecture linkage to AoU
+ :id: gd_req__arch_linkage_aou
+ :status: valid
+ :tags: prio_2_automation, attribute, check
+ :satisfies: wf__cr_mt_featarch, wf__cr_mt_comparch
+
+ It shall be checked that architectural static view (feature/comp_arc_sta) are not linked to its own AoU
+ ("own" means the AoU linked as "mitigated_by" to the Safety/Security Analysis linked via "violates" to the element,
+ another equivalent distinguishing is that the "own" AoU are in the same repository whereas the "other" are in another repository).
+
.. gd_req:: Check of Architecture consistency Components in modules
:id: gd_req__arch_consistency_model
:status: valid
diff --git a/process/process_areas/requirements_engineering/guidance/requirements_process_reqs.rst b/process/process_areas/requirements_engineering/guidance/requirements_process_reqs.rst
index 2edadfebf2..63b137fcf5 100644
--- a/process/process_areas/requirements_engineering/guidance/requirements_process_reqs.rst
+++ b/process/process_areas/requirements_engineering/guidance/requirements_process_reqs.rst
@@ -192,6 +192,21 @@ Process Requirement Linkage
* workflow or stakeholder requirements <- process requirements
* process requirements or stakeholder requirements <- tool requirements
+.. gd_req:: Requirement Linkage to AoU
+ :id: gd_req__req_linkage_aou
+ :status: valid
+ :tags: manual_prio_1, attribute
+ :complies: std_req__iso26262__support_6432, std_req__aspice_40__SWE-1-BP5
+ :satisfies: wf__req_feat_req, wf__req_comp_req
+
+ Requirements shall be linked to AoU via the attribute covers, if they already cover these.
+
+ * AoU <- feature requirements
+ * AoU <- component requirements
+
+ Note: "Already" illustrates the understanding that AoU come from used (external) components
+ which appear later in the development (after deciding an architecture).
+
.. gd_req:: Requirement Traceability
:id: gd_req__req_traceability
:status: valid