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International Seed Testing Association
International Seed Testing Association
Richtiarkade 18
8304 Wallisellen, CH
+41 44 838 60 00
International Seed Testing Association

ISTA Certificates

The International Seed Analysis Certificates are available only for accredited member laboratories of ISTA.

  • They must only be issued in accordance with the ISTA Rules currently in force.
  • The minimum quantity to be ordered is one box containing 100 certificates sheets.

Amount of certificates

Amount of certificates

Are there any special documents needed for shipping purposes?  (e.g: custom declarations) 
If yes, please email any corresponding documents to


  • Please provide as much information as possible when ordering certificates and always mention your laboratory code to avoid any delays.
  • Any claims related to the certificates must be received no later than 60 days after sending the certificates. Claims after 60 days are not accepted and the certificates won’t be resent nor refunded.
  • Once the certificates have been shipped they cannot be returned and the order cannot be canceled.
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