(4) A ""quality"" check (including chemical substances included in products) is conducted during changes.
Actual state of implementation is confirmed to make sure that quality checks (including chemical substances) in the form of prior assessments and initial flow management are being conducted based on change management rules (4M change, design change).
This is not linked with the evaluation results of (2) and (3). (Even if (2) and (3) are ""x"" it's fine as long as checks are conducted in accordance with change management rules.)"