# Impact Analysis Template

## Change summary

[Describe the change in one sentence.]

## Business reason

[Why is the change needed?]

## Current behaviour

[What happens today?]

## Expected behaviour

[What should happen after the change?]

## Scope

- In scope:
- Out of scope:

## 1. Business process impact

- Current process:
- New process:
- Steps added, changed or removed:

## 2. User and team impact

- Primary users:
- Secondary users:
- Teams affected:
- Workflow, training or communication changes:

## 3. System and integration impact

| System / integration | Impact | Change required? | Owner |
| --- | --- | --- | --- |
|  |  | Yes / No |  |

- Request or response changes:
- Error handling:
- Retry behaviour:
- Existing consumers affected:

## 4. Data impact

| Data element | Current | New | Source | Consumer |
| --- | --- | --- | --- | --- |
|  |  |  |  |  |

- Data ownership:
- Validation:
- Missing or incorrect data behaviour:

## 5. Rules, controls and security

- Existing rule or control:
- New rule or control:
- Approval impact:
- Permissions or privacy impact:
- Audit or regulatory impact:

## 6. Downstream, reporting and reconciliation

- Downstream system or team:
- Reports or dashboards:
- Reconciliation or SLA changes:
- Action required:

## 7. Failure and recovery

- Source unavailable:
- Timeout:
- Partial success:
- Duplicate request:
- Recovery or manual handling:

## 8. Historical data and migration

- Existing in-flight items:
- Historical-data update:
- Backfill or migration:
- Compatibility considerations:

## 9. Performance and operations

- Expected volume:
- Response-time expectation:
- Operational limits:
- Monitoring and alerts:
- Support owner:

## 10. Testing, release and rollback

- New scenarios:
- Regression areas:
- Integration / security / performance testing:
- UAT:
- Release approach:
- Rollback plan:

## Dependencies

-

## Assumptions

-

## Open questions

- Question:
- Owner:
- Due date:

## Decisions

- Decision:
- Decision owner:
- Reason:
- Date:

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