in cooperation with participating jurisdictions, government-sponsored mortgage finance corporations, nonprofit organizations, the private sector, and other appropriate parties, develop, test, evaluate, refine, and, as necessary, replace a selection of model programs designed to carry out the purposes of this subchapter;

make available to participating jurisdictions alternative model programs, which shall include suggested guidelines, procedures, forms, legal documents and such other elements as the Secretary determines to be appropriate;

assure, insofar as is feasible, the availability of an appropriate variety of model programs designed for local market conditions, housing problems, project characteristics, and managerial capacities as they differ among participating jurisdictions;

negotiate and enter into agreements with agencies of the Federal Government, participating jurisdictions, private financial institutions, government-sponsored mortgage finance corporations, nonprofit organizations, and other entities to provide such services, products, or financing as may be required for the implementation of a model program;

provide detailed information on model programs as requested by participating jurisdictions, private financial institutions, developers, nonprofit organizations, and other interested parties; and

encourage the use of such model programs to achieve efficiency, economies of scale, and effectiveness in the investment of funds made available under this part through third-party training, printed materials, and such other means of support as the Secretary determines will achieve the purpose of this subchapter.