Contractual nature of comfort letters. Semiotics, pragmatics and Private International Law. CUADERNOS DE DERECHO TRANSNACIONAL, [S. l.], v. 17, n. 2, p. 527–544, 2025. DOI: 10.20318/cdt.2025.9889. Disponível em: https://e-revistas.uc3m.es/index.php/CDT/article/view/9889. Acesso em: 4 feb. 2026.