The plan specifies "Participants and beneficiaries can obtain, from the plan administrator, without charge, a copy of the plan's procedures governing Qualified Domestic Relations Orders."

Keep in mind managing an Industrial/retail tenants is a lot easier then a residential 4 flat...in commercial management personalities are more professional and you will never get a domestic dispute call on the weekend when managing a retail building.  

She causes a MAJOR incident and gets tenant arrested for domestic violence.

In these communities, the landlord must state the reason for the termination, and the reason may be reviewed by local housing authorities.207 However, incidents of domestic violence may not be used as a violation by the victim or threatened victim as good cause for the landlord to terminate the tenancy, occupancy rights or assistance of the victim.208The landlord must give the tenant a three-day or 30-day or 60-day notice of termination under California law (see "Written Notices of Terminations"), and both the landlord and the tenant must give the public housing agency a copy of the notice.209 What if the landlord simply decides not to renew the lease, or decides to terminate the HAP (housing assistance payment) contract?

The story is that she moved out a year ago on a boyfriend due to domestic violence.

Criminal backgrounds involving violent crimes, prostitution, and domestic violence and/or involving the possession of weapons or illegal substances are all grounds for denial of an application.An exception may be made for type and or age of offense, please provide details to the Property Manager.Rental Criteria for Pets -Pet policies vary from one homeowner to another.

You deal with problems that arise from it -- domestic violence, noise complaints, drama.

I would consult with a local attorney to discuss the legal ramifications of entering into a lease with a domestic partner, and the ways a lease can be voided under certain facts should they happen.

My wife worked the front lines of domestic violence for quite some time and many of her clients found it "challenging" that they were asked to accept a restraining order against themselves when they filed for one against their abusive ex.Hence why I indicated above that I would need to hear - and be able to corroborate - the explanation for the restraining order.

The thing is, any kind of domestic disturbance situation can pose an element of danger to either tenant and others who get involved (for example, complain about the noise).