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Add NF525 compliance details for archive receipts and signature excerpts#18

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LGuichet wants to merge 5 commits intomainfrom
NF525-Code90-and-SignatureExerpt
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Add NF525 compliance details for archive receipts and signature excerpts#18
LGuichet wants to merge 5 commits intomainfrom
NF525-Code90-and-SignatureExerpt

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@LGuichet LGuichet commented Apr 8, 2026

Port of fiskaltrust/interface-doc#396 and fiskaltrust/interface-doc#390
from archived interface-doc repo

@LGuichet LGuichet requested a review from a team as a code owner April 8, 2026 08:58
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github-actions bot commented Apr 8, 2026

✅ CLA Signed

All contributors have signed the CLA. Thank you!

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LGuichet commented Apr 8, 2026

I have read the CLA Document and I hereby sign the CLA

@LGuichet LGuichet force-pushed the NF525-Code90-and-SignatureExerpt branch from bebc239 to d8fc0df Compare April 8, 2026 13:01
**All SignatureItems send back to the POS-System must be printed on the receipt, therefore it's mandatory to print the content of the fields _Caption_ and _Data_.**

The signature excerpt (ftSignatureType 0x4652000000000008) is only mandatory for NF525 compliance and the caption "-----" must not be printed. It is 4 characters extracted from the JWT signature part and following NF525 specification (characters 3, 7, 13 and 19).
NF525 requires that the signature exerpt has to be printed after the product number shown on the NF525 certificate.
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@deboragracio deboragracio Apr 8, 2026

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Suggested change
NF525 requires that the signature exerpt has to be printed after the product number shown on the NF525 certificate.
NF525 requires that the signature excerpt be printed after the product number shown on the NF525 certificate.

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