; (2) criteria designed by the Secretary to ensure that, as a whole, the demonstration project is, to the greatest extent possible, representative of the demographic and geographic composition of communities most affected by disparities; (3) criteria designed by the Secretary to ensure that a variety of models are tested through the demonstration project and that such models include interventions that have an existing evidence base for effectiveness; and (4) criteria designed by the Secretary to ensure that the demonstration projects and models will be carried out in consultation with local and regional provider organizations, such as community health centers, hospital systems, and medical societies representing providers of maternity services. (c) Duration of demonstration project The demonstration project under subsection (a)(3) shall begin on January 1, 2018, and end on December 31, 2021. (d) Grants for evaluation and monitoring The Secretary may make grants to States and health care providers participating in the demonstration project under subsection (a)(3) for the purpose of collecting data necessary for the evaluation and monitoring of such project. (e) Reports (1) State reports Each State that participates in the demonstration project under subsection (a)(3) shall report to the Secretary, in a time, form, and manner specified by the Secretary, the data necessary to— (A) monitor the— (i) outcomes of the project; (ii) costs of the project; and (iii) quality of maternity care provided under the project; and (B) evaluate the rationale for the selection of the items and services included in any bundled payment made by the State under the project. (2) Final report Not later than December 31, 2022, the Secretary shall submit to Congress a report on the results of the demonstration project under subsection (a)(3). .