Frequently Asked Questions

TAT provides a comprehensive range of testing services for vehicles, automotive components, and vehicle systems in accordance with national and international standards, including UNECE Regulations. To view the complete list of tests within our accredited scope of activities, please visit the Test Matrix page.

To determine whether TAT can perform the test you require, please first refer to theTest Matrix. This page lists all tests that fall within the laboratory's accredited scope of activities.  You can also verify TAT's accreditations and accredited scope of activities through the National Accreditation Center of Iran (NACI) and the official portal of the Institute of Standards & Industrial Research of Iran (ISIRI).

Yes. To initiate the review process, please send your product information and testing requirements to sale@tat.ir or info@tat.ir. Alternatively, you may submit your request using the online Request Form.
Once your request has been reviewed, TAT's experts will contact you to advise you on the next steps.

The testing timeline depends on the type of test, the applicable standard, the readiness of the test sample, and the laboratory's workload. After reviewing your request, TAT will provide an estimated schedule for your project.

TAT's accreditations and the laboratory's accredited scope of activities can be verified through the National Accreditation Center of Iran (NACI) and the official portal of the Institute of Standards & Industrial Research of Iran (ISIRI).
The latest accreditation certificates and related information are also available on the "National Accreditation Center of Iran (NACI) Accreditation" page.

Yes. TAT is officially recognized as a knowledge-based company. The validity of this recognition can be verified through the official Iranian Knowledge-Based Companies portal.
A copy of the certificate is also available on the "Grade 1 Knowledge-Based Company" page.

Yes. TAT currently offers several specialized automotive tests that are not available at other laboratories in Iran, including:

• Cab Strength Test for Commercial Vehicles (UNECE R29 / ECE R29)
• Strength of Bus Seats and Seat Anchorages (UNECE R80 / ECE R80)
• Driver's Direct Vision Test (UNECE R125 / ECE R125)

These tests are performed within TAT's accredited scope of activities. For a complete list of available testing services, please refer to theTest Matrix.

You can submit a test request using any of the following methods:

• Complete the online Request Form.
• Send your request by email to sale@tat.ir or info@tat.ir
• If you need assistance, you may contact TAT's experts before submitting your request. They will help you select the appropriate test and ensure that all required information is provided.
  

Once your request has been received, it will be reviewed by TAT's experts. If necessary, they will contact you to coordinate the next steps.

To enable an initial review of your request, we recommend providing the following information:

• A formal request
• Applicant information
• Product or component information
• The required test or applicable standard
• Relevant technical documentation
• Contact information

If additional information is required, TAT's experts will contact you for further coordination.

Once your request has been received, it will be reviewed by TAT's experts. If the requested service falls within TAT's scope of activities, you will be informed about the required documentation, estimated schedule, and the next steps in the process.

Yes. Throughout the review and service delivery process, TAT's experts will keep you informed about the status of your request using the contact information you provided.

TAT's Engineering and Consulting Department provides a range of services tailored to the needs of each project, including technical consulting, test planning, documentation preparation, standards compliance assessment, and conformity assessment project management. For more detailed information, please visit theTAT Consulting Servicespage.

No. TAT's consulting services are intended to support project planning and implementation. They do not guarantee a successful test result, type approval, the issuance of a Certificate of Conformity (CoC), or replace the decisions of the Institute of Standards, inspection bodies, Technical Services, or any other competent authorities.

When TAT provides both consulting and testing services for the same project, any potential risks to impartiality are identified, assessed, and managed before the project begins.
Where a conflict of interest exists, personnel involved in the consulting activities will not participate in the official testing, technical review, approval, or signing of the laboratory test report for the same project.

No. The results of laboratory tests and official evaluations are determined solely on the basis of applicable standards, objective evidence, approved test methods, traceable data, and the laboratory's quality management system. Consulting services have no influence on the outcome of testing or the content of laboratory reports.

No. Consulting services, including project planning, documentation preparation, and project management, are provided by TAT's Engineering and Consulting Department and are independent of the official testing process and the issuance of laboratory test reports.