KSeF started scaring me after those words. What do you mean 400 boxes to be written on the invoice?

natemat.pl 3 weeks ago
The KSeF will start to apply from 1 February 2026, so little than 3 weeks have been left to the largest revolution in invoicing in years. Entrepreneurs are horrified to look at changes, or even to ignore the subject and leave it to their accountants. What...
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