English KELER KSZF - Information on maintenance of the SWIFT system in the MAT and UAT environments

Dear Partners,

We would like to inform you that, due to an unscheduled but essential version upgrade, the SWIFT system will not be available in either the UAT or MAT environments during the following periods:

17 August 2026 – 19 August 2026
28 August 2026 – 2 September 2026

For this reason, it will not be possible to test SWIFT messages during the times mentioned above. We apologise for any inconvenience caused!

Thank you for your understanding!
KELER Ltd.

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Information on maintenance of the SWIFT system in the MAT and UAT environments

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