In this task, you are given a sentence in English and your task is to translate it into Spanish. In translation, keep the numbers and capitalization (capitalize only the first word of each sentence and name).
Q: This calls into question the agreement which Parliament reached, with great difficulty, with the Council in December, according to which, when the Commission presents a multiannual programme for reconstruction, the financial perspectives would be reviewed where necessary.
A: 
Eso pone en entredicho el acuerdo que el Parlamento logró, con grandes dificultades, en diciembre con el Consejo, según el cual cuando la Comisión presenta un programa plurianual para la reconstrucción, se procedería, en su caso, a una revisión de las perspectivas financieras.