Real Decreto número 1253/97 de 24/07/1997, sobre condiciones mínimas exigidas a los buques que transporten mercancías peligrosas o contaminantes con origen o destino en puertos marítimos nacionales. Boletín Oficial del Estado número 198 de 19/08/1997 Página 25269

This Spanish royal decree establishes the safety and environmental standards that ships must meet when transporting dangerous or polluting goods to or from national ports. It aims to prevent maritime accidents and protect the marine environment from contamination. The regulation affects ship owners, operators, and port authorities. It mandates compliance with specific technical and operational conditions for vessels handling hazardous materials.