The Housing (Northern Ireland) Order 1983

[F1Ground 2N.I.

The tenant or a person residing in or visiting the dwelling-house—

(a)has been guilty of conduct causing or likely to cause a nuisance or annoyance to a person residing, visiting or otherwise engaging in a lawful activity in the locality, or

(b)has been convicted of—

(i)[F2an offence involving] using the dwelling-house or allowing it to be used for immoral or illegal purposes, or

(ii)an [F3indictable] offence committed in, or in the locality of, the dwelling-house.]