co-social-contributionsSource-cited draft Use this skill whenever asked about Colombian self-employed social contributions (aportes a seguridad social para independientes). Trigger on phrases like "seguridad social independientes", "salud y pensión independiente", "IBC independiente", "PILA independiente", "ARL independiente", "40% IBC rule", or any question about Colombian social security obligations for self-employed individuals. Covers salud (12.5%), pensión (16%), ARL, Fondo de Solidaridad Pensional, the 40% IBC rule, PILA filing, and edge cases. ALWAYS read this skill before touching any Colombian social contribution work.