no-social-contributionsSource-cited draft Use this skill whenever asked about Norwegian social contributions (trygdeavgift) for self-employed individuals operating as enkeltpersonforetak (sole proprietorship). Trigger on phrases like "trygdeavgift", "Norwegian social security", "self-employed contributions Norway", "NAV contributions", "national insurance Norway", "how much trygdeavgift do I pay", or any question about social contribution obligations for a self-employed client in Norway. This skill covers the 10.9% rate on business income, minimum thresholds, payment schedule, interaction with trinnskatt and income tax, exemptions, and edge cases. ALWAYS read this skill before touching any Norway social contributions work.