Create your account

A valid email address. All emails from the system will be sent to this address. The email address is not made public and will be used as credential or if you change account settings.
Shipping address
An email address to be used for invoicing.
Billing address (Optional)
Optional information. Leave blank, if address information are equal to the Shipping address.
Please enter your VAT identification number
An email address to be used for invoicing.
This interlaboratory comparison is organised, planned and executed strictly according to the rules laid down in ISO/IEC 17043. DLA - Proficiency Tests GmbH assures the full confidentiality of data for comparative and evaluation purposes only.