Complex sentence: On 28 January 2011, he announced his intention to represent Belgium at international level, which was permitted as he had not played in a competitive match for Morocco, and made his debut for the national squad for a 9 February friendly match against Finland.
Split into simpler sentences: On 28 January 2011, however, he announced his intention to represent at the Belgium at the international level, which was permitted because he had not yet played in a competitive match for Morocco. He made his debut for the Belgian squad for a 9 February friendly match against Finland.