(3) Military veteran status, if the veterans served possess significant barriers to social reintegration and employment due to a physical or mental disability, substance abuse, or the effects of long-term homelessness that require specialized treatment and services and the provider of emergency shelter or transitional housing also provides the specialized treatment and services. However, in the case of families, providers of emergency shelter or transitional housing shall provide, to the greatest extent feasible, adequate facilities within their range of services so that all members of a family may be housed together, regardless of age and gender.