; technical assistance The Secretary may use 0.5 percent of the amounts appropriated under each of subclauses (I) and (II) of clause (i), respectively, for the purpose of conducting and supporting research and demonstration projects by public or private entities, and providing technical assistance to States, Indian tribes and tribal organizations, and such other entities as the Secretary may specify that are receiving a grant under another provision of this part. . II Improving Resources for Domestic Violence and Family Strengthening 201. Best practices for coordination of policy to address domestic violence and family engagement The Secretary shall develop a coordinated policy to address domestic violence and family strengthening that— (1) establishes criteria and best practices for coordination and partnership between domestic violence shelter and service organizations and responsible fatherhood and healthy marriage promotion programs; (2) not later than 120 days after the date of enactment of this Act, issue guidance containing such criteria and best practices