TRA-SAS highly values transparency, constructive feedback, and continuous improvement.

This Suggestion Box is established as an official communication channel for customers, partners, and all TRA-SAS employees to:

• Provide feedback on service quality
• Report operational issues or incidents
• Raise concerns related to risks, non-compliance, or unethical behavior
• Submit ideas or suggestions to improve efficiency, safety, and performance

Please complete the information in the form below:

• The sender may choose to submit anonymously or provide personal information
• Feedback or reports should be shared in a truthful, clear, and specific manner
• All submitted information will be received and reviewed seriously by TRA-SAS

TRA-SAS commits to:

• Maintaining the confidentiality of the sender’s information, as requested
• Treating all submissions equally, regardless of whether they come from customers or employees
• Ensuring no form of disadvantage, retaliation, or negative impact toward good-faith reporters

TRA-SAS highly values all feedback and considers it an important foundation for service quality improvement, safety enhancement, and sustainable development.