At least how many buildings within a LEED for Neighborhood Development project must be certified by a green building rating system?

For a LEED for Neighborhood Development project, at least one building within the project must be

certified by a green building rating system. This requirement ensures that the development

incorporates at least one example of sustainable building practices, setting a standard for the rest of

the neighborhood. This certification demonstrates a commitment to green building principles and

serves as a benchmark for the project's overall sustainability.