Task: Translation
Input (English): With regard to enforcement, proper agreements must also be concluded with the Eastern European countries because they will not enter into treaties which deal with this matter until 1 July 2001, that is to say in eighteen months' time.
Output (Spanish): Respecto al control, hemos de llegar a unos buenos acuerdos con los países de Europa Oriental, porque hasta el 1 de julio de 2001, o sea hasta dentro de un año y medio, no participarán en los tratados sobre esta materia.