VIII Stadiums and Match Organisation Article 13 Stadium categories 13.01 Unless stipulated otherwise in these regulations, matches in the competition must be played in a stadium which meets the structural criteria of the following categories as defined in the UEFA Stadium Infrastructure Regulations (2010 edition): a) category 2 for the first and second qualifying rounds; b) category 3 for the third qualifying round; c) category 4 from the play-offs to the semi-finals. The final must be played in a stadium which meets the structural criteria as defined in the staging agreement.
Bloomfield Rd is Category 4, I think, therefore no problem if they wanted to play at home. As far as I know.
VIII Stadiums and Match OrganisationArticle 13Stadium categories13.01 Unless stipulated otherwise in these regulations, matches in the competitionmust be played in a stadium which meets the structural criteria of thefollowing categories as defined in