to the home page to the main navigation to the main content to the contact form to the search form
International Seed Testing Association
International Seed Testing Association
Richtiarkade 18
8304 Wallisellen, CH
+41 44 838 60 00
International Seed Testing Association

Accreditation Process

Auditing for ISTA Accreditation ensures that a laboratory conforms with regulatory requirements.

Document review

  • First accreditation: 
    Laboratories/sampling entities audited for the first time must submit their quality documentation, or parts of it, to the ISTA Accreditation and Technical Department. These documents are subject to review by ISTA auditors. When the documents are considered suitable, an audit date is agreed with the laboratory. 
  • Re-accreditation: 
    ISTA-accredited laboratories/ sampling entities that are to be re-audited will be approached by the Accreditation and Technical Department well in advance. They must submit their quality documentation, at least four weeks prior to the agreed audit date.   

ISTA Audit

The purpose of the audit is to evaluate that a laboratory/sampling entity operates in conformity with the specifications outlined in the ISTA Accreditation Standard. It also offers confidence in the capability of the laboratory’s management system, ensuring compliance with regulatory requirements. Auditors are appointed by ISTA’s Accreditation and Technical Department.

An on-site assessment takes up to one and a half working days, depending on the scope of accreditation. During the on-site assessment relevant aspects regarding staff, facilities and seed sampling and or testing are examined. The identified non-conformities must be addressed through a formal corrective action procedure following the on-site assessment.

Accreditation approval procedure

Provided the requirements of the ISTA Accreditation Standard are met, the auditors will recommend that the Accreditation is granted to the laboratory/sampling entity. The ISTA Executive Committee is responsible for accreditation decisions, on the basis of information gathered during the process and the recommendations of the auditors. When the accreditation has been approved then the Certificate of Accreditation is issued.

Authorisation to issue ISTA Certificates

An accredited laboratory is authorised to issue ISTA Certificates, in accordance with the scope of its ISTA Accreditation. This authorisation is valid for three years, starting from the date of the on-site assessment. For more detailed information on the Accreditation process, read the document ISTA Accreditation and Scope of Accreditation Policy.

ISTA Accreditation Scope: Revision of the Crop Groups

Search form

Cookie settings

We use cookies to provide our visitors with an optimal website experience, for statistical and marketing purposes, as well as for integrating external content. In connection with the use of these technologies, information is stored and/or retrieved on your device. For the aforementioned purposes, personal data (such as IP addresses, cookie IDs) may be processed and partially transmitted to third-party providers (e.g. Google). By clicking "Accept All," you consent to the processing to the extent and for the purposes described. You can adjust your settings at any time subsequently.