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).

This question will naturally be one of our key concerns, and the European Commission will not fail to take this into account.
Esa cuestión figurará también en el núcleo de nuestras preocupaciones y la Comisión Europea no dejará en modo alguno de tenerla en cuenta.

Mr President, on numerous occasions in the past I have disagreed with the rapporteur on her approach to regional policy issues. This time, however, I actually agree with her.
Señor Presidente, en el pasado he disentido repetidamente con la ponente en el enfoque de las cuestiones de política regional; esta vez, sin embargo, estoy de acuerdo con ella.

It has unfortunately been observed, I have to say, that the European Union has failed to reach agreement internally on specific tax measures.

Se ha señalado -por desgracia, lamento decir- que la Unión no ha conseguido llegar a un acuerdo interno sobre determinadas medidas fiscales.