QR code on RKSV-compliant receipts: Check important transaction data securely and tamper-proof

The QR code on an RKSV-compliant receipt is a two-dimensional, machine-readable representation of the most important transaction data. It contains coded information that is related to the digital signature of the transaction and makes it easier to check the integrity of the receipt.

The QR code is printed on every cash sales receipt and can be read and checked by the tax authorities or consumers using a special app or software.

The QR code on the receipt contains the following encrypted data that is relevant for verifying the transaction:

Cash register identification number

Unique identifier of the cash register in which the transaction was carried out.

Document number

A consecutive number that is uniquely assigned to each transaction.

Date and time of the transaction

The exact time at which the transaction took place.

Gross amount of the transaction

The total amount of the transaction, including taxes.

Signature value

The digital signature value of the transaction generated by the signature creation device (SEE).

Concatenation value

A hash value that ensures the chaining of transactions by containing the hash of the previous transaction.

QR code on RKSV-compliant receipts: Check important transaction data securely and tamper-proof

The QR code on the receipt contains the following encrypted data that is relevant for verifying the transaction:

Cash register identification number

Document number

Date and time of the transaction

Gross amount of the transaction

Signature value

Concatenation value

This data enables the tamper check and can be compared with the data stored in the cash register to check whether the receipt is genuine.

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