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Legal Changes 2026

Calendar of tax and legal changes 2026 — mandatory KSeF, new limits, health contribution reform, JPK_CIT, e-Doręczenia, DAC8, ViDA, CBAM. Practical summaries of changes for entrepreneurs.

12 articles

Legal Changes 2026

Global minimum tax 15% — does it apply to Polish companies?

Global minimum tax 15% (Pillar Two) — does it apply to Polish companies in 2026? Conditions,...

Andrzej Szulakowski
Legal Changes 2026

Tax Changes Calendar 2026 — What, When, and Who Is Affected

Complete calendar of tax changes in 2026 — what, when, and who is affected. KSeF, VAT, CIT, PIT,...

Andrzej Szulakowski
Legal Changes 2026

Cash-Basis PIT from 2025 — for whom and how does it work?

Cash-Basis PIT from 2025 — cash method in income tax. For whom? How does it work? Revenue...

Andrzej Szulakowski
Legal Changes 2026

KSeF 2026 — Mandatory e-Invoicing in Poland

Complete overview of mandatory e-invoicing requirements in Poland 2026. KSeF implementation...

Andrzej Szulakowski
Legal Changes 2026

New tax limits 2026 — revenue, VAT, flat rate, KPiR

New tax limits 2026 in Poland — revenue, VAT, flat rate, KPiR. Complete review with tables and...

Andrzej Szulakowski
Legal Changes 2026

New PIT form 2026 — what changed in the forms?

New PIT form 2026 — what changed in tax forms? PIT-36, PIT-36S, new declarations. Practical...

Andrzej Szulakowski
Legal Changes 2026

E-invoicing obligation — when and who does it affect in 2026?

E-invoicing obligation 2026 — when and who does it affect? KSeF implementation schedule, phases...

Andrzej Szulakowski
Legal Changes 2026

Polish Deal — What Remains in 2026?

Complete review of Polish Deal regulations currently in effect in 2026. Tax-free threshold...

Andrzej Szulakowski
Legal Changes 2026

SLIM VAT 4 — Key Changes in 2026

SLIM VAT 4 — the most important VAT changes in 2026. VAT warehouse, JPK simplifications, entity...

Andrzej Szulakowski
Legal Changes 2026

Whistleblower in Company — New Obligations from 2026

Whistleblower protection in companies — new employer obligations from 2026. Whistleblower Act,...

Andrzej Szulakowski
Legal Changes 2026

Whistleblowing 2026 — Obligations for Companies with 50+

Whistleblower protection act 2026: requirements for companies with 50+ staff, reporting...

Andrzej Szulakowski
Legal Changes 2026

Changes in Polish Labor Law 2025-2026 — Employment

Labor law changes 2025-2026 Poland: minimum wage, working time, remote work, leave policies,...

Andrzej Szulakowski