BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//EU Deadline Radar//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:EU Deadline Radar
NAME:EU Deadline Radar
BEGIN:VEVENT
UID:pl-ksef-mandatory-all-businesses@eudeadlines.eu
DTSTAMP:20260907T220944Z
DTSTART;VALUE=DATE:20260401
DTEND;VALUE=DATE:20260402
SUMMARY:Poland KSeF: Poland: KSeF e-invoicing mandatory for all VAT taxpaye
 rs (except the smallest micro-firms)
DESCRIPTION:Since 1 April 2026 all businesses in Poland must issue B2B invo
 ices through the National e-Invoicing System (KSeF) in the FA(3) XML schem
 a\; the system assigns the legal invoice number and the buyer receives it 
 via KSeF. Only micro-entrepreneurs with monthly sales up to PLN 10\,000 ha
 ve until 2027. Paper and PDF invoices are no longer valid B2B invoices.\n\
 nWho is affected: Every VAT-registered business in Poland\, including fore
 ign companies with a Polish fixed establishment.\n\nWhat to do: Connect yo
 ur ERP or invoicing tool to KSeF 2.0 with authentication tokens or a quali
 fied signature\, implement the FA(3) schema and offline24 fallback mode\, 
 and train staff on retrieving purchase invoices from KSeF. Use the 2026 pe
 nalty-free period to fix errors.\n\nPenalty: Penalties for non-compliance 
 apply from 2027-01-01\n\nNote: Large taxpayers (2024 sales above PLN 200M)
  started 2026-02-01\; penalties for KSeF errors suspended until 2027-01-01
 \n\nStatus: In force\nhttps://eudeadlines.eu/deadline/pl-ksef-mandatory-al
 l-businesses
URL:https://eudeadlines.eu/deadline/pl-ksef-mandatory-all-businesses
CATEGORIES:PL,Poland KSeF
LAST-MODIFIED:20260907T000000Z
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR