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Why ARPI?
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Invoicing
Invoicing
Mandatory KSEF from February 1st, 2026
26 April 2024
KSeF has been postponed – what’s next for the mandatory system?
22 January 2024
National System of e-Invoices – everything you need to know
27 September 2023
National System of e-Invoices (KSeF) – explanations and useful files
18 May 2022
The National e-Invoices System – what should we expect?
10 September 2021
Fiscal receipt as a simplified invoice
18 November 2020
InFlow in an updated version – explore new possibilities
27 April 2020
Tax ID Number (NIP) on the sales receipt in 2020
27 February 2020
E-receipt in 2020?
29 January 2020
Settlements with contractors clarified
03 December 2019
Online cash registers as a smartphone app
14 November 2019
Sale Receipt with Tax Identification Number from January 1st
25 September 2019
Online cash registers available from May, 2019
31 July 2019
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