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- D4 Approved: The supplier proceeds to fill in steps D5-D6.
- D4 Rejected: The supplier should review the comments and make the necessary changes in the D4 form. After making the corrections, the approval process is repeated.
Step D5-D6 - Permanent Corrective Actions and Their Verification
Step D5 - Corrective Actions
In step D5, the supplier is asked to present planned corrective actions. The aim of these actions is to ensure, in the short term, that the process or product is under control. The supplier selects optimal (permanent) corrective actions and demonstrates, based on tests and trials, that they solve the problem from the client's perspective.
The form is divided into two sections:
- Improvements in the process that caused the material defect: The supplier indicates possible causes and describes the corrective action taken.
- Improvements in the process that allowed the shipment of defective material: If the complaint concerns the shipment of the material, the supplier is obliged to fill in this section.
Step D6 - Verification of Corrective Actions
The effectiveness of the corrective actions is assessed in step D6, which is described as the verification of the effectiveness of corrective actions.
The form is divided into sections:
Implemented Permanent Corrective Actions: Here, the supplier indicates:
- Status: The implementation status. The supplier can select one of the statuses: Implemented, Not Implemented, Partially Implemented, Canceled.
- Corrective Action: The supplier provides details of the implemented action.
- Completion Date: The date the corrective action was introduced into the process.
- Assigned Employee: The person responsible for implementing the corrective action.
Verification of Implemented Permanent Corrective Actions: Here, the supplier fills in:
- Verification Method: Options include Evidence Analysis, Real-World Observation, Practical Test, Other.
- Verification Result: Description of the verification result.
- Verification Date: The date the verification was conducted.
- Assigned Employee: The person responsible for conducting the verification.
Submission and Approval
After completing the data in steps D5-D6, the supplier should submit them for approval by the Buyer/QA. The button to submit the forms 
is available in step D6.
The potential approval scenarios will be similar to the previous steps:
- D6 Approved: The supplier proceeds to complete step D7.
- D6 Rejected: The supplier should review the comments and make necessary adjustments in the D5-D6 form. After making the corrections, the approval process is repeated.