Adnan Januzaj play for England under the rules set out in the Home Nations agreement. The Home Nations agreement requires that players engage in a minimum of five years of education before the age of 18 within the territory of the relevant association and do not offer national team eligibility through residency. Despite having played competitively for Belgium at senior level, Januzaj remained eligible to represent Kosovo, as it was not a UEFA or FIFA member when he made his Belgian debut. However, once he made another appearance with Belgium after 2016, the year in which Kosovo became a member of FIFA,
Adnan Januzaj not scoring in any competitions the previous season, and not making the bench for the first game of the new campaign, Januzaj scored his first goal for over a year on 14 August 2015, a close range 29th-minute strike which gave United victory at Aston Villa. His first appearance upon return from loan came against Southampton on 23 January 2016, when he replaced Cameron Borthwick-Jackson as a late substitute. On 31 August 2015, Januzaj was loaned to German club Borussia Dortmund on a season-long deal. On 6 January 2016, he was recalled to United after only playing in 12 games