Article

The cash register security system was never the problem. It was the second system next to it.

Why TSE and DSFinV-K create more work for most small hotels in Germany and Austria than the law actually requires.

It has been mandatory since 2020: Every electronic cash register in Germany must have a TSE—a

certified technical security device that records every transaction in a tamper-proof manner

. During a tax audit, the tax office requires the data to be exported in DSFinV-K format.

It sounds like a purely cash register issue. For a small hotel, that’s rarely the case—because

the transaction doesn’t start at the register, but with the reservation.

The real problem: two systems, one booking

A guest books online, checks in, and receives an invoice at the end. The POS system with TSE

is located at the front desk. The hotel PMS, which tracks the booking, is right next to it—often without

any connection to the cash register. The actual sales transaction occurs in the PMS, while the legally

required signature is generated in a separate point-of-sale system. For most

international PMS providers, TSE/DSFinV-K is simply not an issue—they were not built for

the German market.

A cash register inspection usually occurs without prior notice. If PMS sales and

cash register export data do not match up perfectly, that is the moment when two

systems—which were never truly connected—turn on each other. Until then, the

risk lurks quietly in everyday life: the extra reconciliation at the end of the month, the inquiry from the

tax advisor.

PMSPilot did not originally come from Germany. The first compliance-

automation of the product was TM30—the foreign guest registration requirement at the founder’s own hotel

in Thailand, built to address exactly the same core problem: a

registration requirement that was managed as a separate, isolated system. When the product also

operators in Germany and Austria, the same pattern repeated itself, only

under a different name: not TM30, but TSE and DSFinV-K.

The PMSPilot Taxation module ($23/month) generates the TSE signature and the DSFinVK

export from the same journal entries that are recorded in the PMS anyway. In addition,

the accounting data can be transferred directly to the tax advisor via a DATEV export. This

does not replace tax advice—that remains the responsibility of the business and its

tax advisor.

A better question: “Is the tax return generated from my PMS entries, or do I

still need a second point-of-sale system alongside it?” With PMSPilot: from the same transactions,

one module. Try it for free for up to three rooms, add the Taxation module separately—and

double-check with your own tax advisor.