(1) When a crime involves domestic violence, the accusatory instrument may plead, and the prosecution may prove at trial, domestic violence as an element of the crime. When a crime is so pleaded, the words “constituting domestic violence” may be added to the title of the crime.
(2) As used in this section:
(a) “Domestic violence” means abuse between family or household members.
(b) “Family or household members” means spouses, former spouses, adult persons related by blood or marriage, persons cohabiting with each other, persons who have cohabited with each other or who have been involved in a sexually intimate relationship, or, unmarried parents of a minor child.