Yes, it is largely covered as domestic violence, but there is no specific legislation that defines it as sexual violence. That doesn't mean it can't be considered sexual violence, it's just not explicitly defined and so it isn't consistently applied. Divorcing/separated couples get a bit more application of sexual violence laws, as it is more likely to be seen that marital privilege has been revoked. This is even considering that anyone attempts to go through the courts with this, which the overwhelming majority of survivors do not (either because they are entrenched in the system of accepting this violence as a marital privilege, or because they are afraid of retraumatization through the courts when there is a likelihood that it won't even result in any real recognition of what they experienced). There is a huge amount of stigma (especially in more rural areas, though this stigma exists everywhere) around being a survivor of any sexual violence, and that stigma is much higher in marital cases, where regardless of court outcomes community/social impacts can be severe.