; and (B) shall not delay such implementation for purposes of promulgating the regulations required by paragraph (2). (2) Promulgation The Secretary shall— (A) issue regulations for carrying out this section; and (B) specify in such regulations the allowed and disallowed purposes for sharing and linking data through the program, including areas of potential research. (f) Website The Secretary shall maintain a publicly accessible website— (1) providing information about demonstration program under this section; (2) facilitating stakeholder participation in such demonstration program; (3) facilitating oversight of such demonstration program; (4) providing lists of datasets from Federal and nonfederal entities; (5) providing lists of identified and de­iden­ti­fied datasets; (6) identifying linked datasets; (7) delineating a process to protect privacy and confidentiality; (8) identifying sources of the datasets; and (9) delineating categories of personal data. (g) Program requirements The demonstration program under this section shall be designed to— (1) support data matching services for agencies and researchers using the National Death Index; and (2) facilitate collaboration with States and private entities to examine, update, and modernize the fee structure of the National Death Index to support a broad range of data queries. (h) Contracted entities (1) In general Subject to the availability of appropriations, the Secretary may enter into contracts with eligible entities, as appropriate, for infrastructure and support services in carrying out the demonstration program under this section. (2) Eligibility To be eligible for a contract under paragraph (1), an entity shall— (A) demonstrate core capabilities for data sharing, data linkage, and compliance with subchapter III of chapter 35 of title 44, United States Code