1) Preferred Practice of Contraction

• Issue a written contract after signing a contract
• Determination of subcontracting payments by rational unit price estimation method, such as raising raw material prices, changing exchange rates, and reflecting factors of price increase
• Prohibition of unfair reduction activities, etc.

2) Practice of Partner selection (registration) operation and Internal Review Committee establishment and operating practices

• Secure specificity, transparency, and fairness for selection (registration) and cancellation criteria of partner companies
• Pre-disclosure of procedures, and results for selection(registration) and cancellation criteria of partner companies
• Equitable opportunities for registrants, etc.
• Deliberation on the adequacy of the criteria and procedures for registering and canceling suppliers

Partner selection and Management Process

3) Written Issuance and preservation practices

• Compliance with matters related to issuance and preservation of various documents in the course of subcontracting