System decision log¶

Automated system decisions written to audit log alongside model version and feature inputs that drove the decision.

Module dependencies¶

Module	Title	Required?	Contract	Reason
MOD-079	Snowflake decision publication service	Required	—	System decisions published from Snowflake are written to the decision log via the Snowflake decision publication service.
MOD-104	AWS shared infrastructure bootstrap	Required	—	AWS shared infrastructure provisioned by MOD-104 (EventBridge buses, S3, KMS, Kinesis, Cognito) is required before this module can be deployed.

Module	Title	As	Contract
MOD-050	Disclosure enforcement module	Hard dependency	—
MOD-144	Confirmation of payee — account name verification	Hard dependency	—
MOD-145	Payment hold & friction engine	Hard dependency	—
MOD-146	Restricted activities enforcement	Hard dependency	—
MOD-147	Related party exposure monitor	Hard dependency	—
MOD-149	Scam intelligence reporting & reimbursement	Hard dependency	—
MOD-150	Risk management platform	Hard dependency	—
MOD-151	Risk case console	Hard dependency	—
MOD-153	Customer acceptance engine	Hard dependency	—
MOD-154	Correspondent banking risk gate	Hard dependency	—
MOD-155	Target Market Determination (AU DDO)	Hard dependency	—
MOD-168	Maker-checker enforcement engine	Hard dependency	—
MOD-174	Model performance monitoring & drift detection	Optional enhancement	—

Policy	Title	Mode	How
DT-009	AI & algorithm policy	`LOG`	AI/ML decisions are explainable — inputs and model version logged against every automated decision
CRE-003	Credit Decisioning & Scorecard Policy	`LOG`	Every credit decision auditable — customer can receive explanation, regulator can inspect
AML-006	Suspicious Activity Reporting Policy	`LOG`	AML alert dismissals logged with analyst ID and reasoning — not a silent discard
GOV-006	Internal Audit Policy	`LOG`	Automated decisions subject to audit — third line can sample and QA system decisions

Capability	Title	Mode	How
CAP-029	Immutable audit log	`LOG`	Records every system decision and action in an append-only log that cannot be altered post-write.
CAP-030	Regulator evidence portal	`LOG`	Makes the decision log available as structured evidence for regulator queries and audit requests.

Part of SD07 — Data Platform & Governance Infrastructure Compiled 2026-05-22 from source/entities/modules/MOD-048.yaml