; and (VII) encouraging States to identify the locations of victims of trafficking and serve those victims, including through efforts that utilize internet outreach, through methods informed by survivors of human trafficking, and by offering help and services that are responsive to victims’ needs in their communities. . (b) Effective date The amendments made by subsection (a) shall take effect on October 1, 2017. 4. Working to develop methodologies to assess prevalence of human trafficking (a) Working group (1) In general Not later than 1 year after the date of the enactment of this Act, the Director of the National Institute of Justice, in consultation with the Director of the Human Smuggling and Trafficking Center, shall establish an expert working group, which shall include survivors of human trafficking, experts on sex and labor trafficking, representatives from organizations collecting data on human trafficking, and law enforcement officers. The working group shall, utilizing, to the extent practicable, existing efforts of agencies, task forces, States, cities, research institutions, and organizations— (A) identify the methodological and practical barriers hampering data collection on sex and labor trafficking; (B) identify the information that should be collected, and how that information should be collected