Complex sentence: The Court decided that if the franchise was to be removed, then the measure needed to be compatible with Article 3 of the First Protocol, thus putting the onus upon the UK to justify its departure from the principle of universal suffrage.
Split into simpler sentences: The Court decided that if the franchise was to be removed, then the measure needed to be compatible with Article 3 of the First Protocol. Thus putting the onus upon the UK to justify its departure from the principle of universal suffrage.