Payments and invoices
Invoices, KSeF, JPK, Przelewy24 and manual payments.
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Invoices, KSeF, JPK, Przelewy24 and manual payments.
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From the package definition in the settings to refunding the unused portion. Two different screens, two different things — and the moment a pass starts deducting visits.
5 minute read
KSeF is mandatory from 1 July 2026. Heltio talks to the Ministry of Finance system for you — this is a walkthrough of what the process looks like on your side.
3 minute read