How to read a Polish invoice, field by field (with the English for each word)
Faktura VAT, netto, brutto, zw, np, MPP, numer KSeF: every field on a Polish invoice translated into English, with what to check before you pay one.
Documents & paperwork
Invoices, receipts, bank statements: what to keep, how long, and how to hand them over.
Receipt or invoice in Poland: which one you need (2026)
Up to 450 PLN gross, a receipt (paragon fiskalny) with your NIP counts as an invoice in 2026. When to ask for an invoice, what counts as a cost, and the 2027 change.
How long must you keep invoices in Poland? (In practice, longer than 5 years)
Not 5 years from the invoice date: they run from the end of the year the tax was due, so 2026 invoices stay until 31 December 2032. Plus KSeF, scans, closing.
Lost an invoice or a receipt in Poland? How to get a duplicate
Ask the seller for a duplikat, download KSeF invoices again yourself, and learn what a bank statement cannot prove. Plus what to do about lost receipts.
Month-end checklist for sole traders in Poland: 30 minutes a month
Collect, check, send, pay, file: the five month-end jobs for a Polish sole trader, with every ZUS, tax and VAT date for the rest of 2026.
How to organise invoices and receipts for a Polish business: a 10-minute weekly system
One folder per month, file names you can read in a year, paper receipts kept safe, and a weekly check against the bank. A simple system for a Polish business.
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