Dates for the ring trials

Dates for the ring trials 2023:

Trial 43
Registration deadline: 04.03.2023
Dispatch of material: 20.03.2023
Last submission of results: 20.04.2023

Trial 44
Registration deadline: 02.10.2023
Dispatch of material: 16.10.2023
Last submission of results: 16.11.2023

Dates for the ring trials 2024:

Trial 45
Registration deadline: 20.03.2024
Dispatch of material: 08.04.2024
Last submission of results: 08.05.2024

Trial 46
Registration deadline: 11.10.2024
Dispatch of material: 21.10.2024
Last submission of results: 21.11.2024

Results of the cur­rent or pre­vi­ous exter­nal qual­ity con­trol run are avail­able at
To access the QuaDeGA plat­form the cen­ter ID (=participant´s num­ber with­out “TN”) and the indi­vid­ual pass­word are required. If the pass­word has been for­got­ten, con­tact: