Except as provided in section
12753
(2) of this title, each participating jurisdiction shall have the discretion to adopt one or more model programs, adapt one or more model programs to its own requirements, design additional forms of assistance by itself or in cooperation with other participating jurisdictions, and suggest additional model programs for adoption by the Secretary as the participating jurisdiction may deem appropriate, and the Secretary may assist a participating jurisdiction in adopting, adapting, or designing one or more model programs.