; (2) monitor efforts to assess such liability and analyze the challenges posed by that assessment; (3) distribute to State agencies administering the State plan under this title information related to such efforts and challenges; and (4) provide guidance to such State agencies with respect to State oversight of efforts under a medicaid managed care plan under section 1903(m) or 1932 to assess such liability. . (e) Development of model uniform fields for States To report third party information Not later than January 1, 2019, the Secretary of Health and Human Services shall, in consultation with the States, develop and make available to the States a model uniform reporting set of reporting fields and accompanying guidance documentation that States shall use for purposes of— (1) reporting information to the Secretary within the Transformed Medicaid Statistical Information System (T–MSIS) (or a successor system)