Why did ZUS refuse to issue an A1 form? The most common reasons for refusal

refusal to issue an A1

Why is the A1 so important? The A1 certificate is a key document. It confirms that the self-employed or posted employee remains covered by the Polish social security system, despite working in France, Switzerland, or another EU/EFTA country. This avoids double-payment of contributions and maintains continuity of insurance. In practice, however, entrepreneurs increasingly ask: "Why did ZUS refuse to issue an A1?" The reasons […]