In this task, you are given a sentence in Spanish and your task is to translate it into English. In translation, keep the numbers and capitalization (capitalize only the first word of each sentence and name).

Se trata, en lo esencial, de aplicar el principio de subsidiariedad.
In essence this means applying the principle of subsidiarity.

La Comisión considera que la Convención encargada de la elaboración de la Carta de Derechos Fundamentales debe respetar el mandato que le encomendó el Consejo Europeo de Colonia.
The Commission considers that the Convention responsible for drawing up the Charter of Fundamental Rights must respect the mandate given by the Cologne European Council.

Nos parece fundamental que esta Conferencia Intergubernamental se cierre antes del final del año 2000, de tal modo que no sean temas formales como la ponderación de votos en el Consejo de Ministros, la composición de la Comisión y del Parlamento Europeo los que planteen obstáculos en el camino de la ampliación de la UE.

It is crucial for us that it should be possible for this Intergovernmental Conference to be concluded before the end of the year 2000 so that there are no remaining formalities, such as the weighting of votes in the Council of Ministers and the composition of the Commission and the European Parliament, which place obstacles in the way of the enlargement of the EU.