ch-ahv-ivSource-cited draft Use this skill whenever asked about Swiss AHV/IV (Alters- und Hinterlassenenversicherung / Invalidenversicherung) social contributions for self-employed individuals. Trigger on phrases like "AHV contributions", "Swiss social security self-employed", "AHV/IV/EO", "Beitragsverfügung", "sliding scale AHV", "Swiss self-employed insurance", or any question about social insurance obligations for a self-employed client in Switzerland. Covers the 5.371-10% sliding scale, EO, minimum contribution, and BVG voluntary pillar 2. ALWAYS read this skill before touching any Switzerland social contributions work.