No demonstration program not expressly authorized in law may be commenced by the Secretary of Housing and Urban Development until (1) a description of such demonstration program is published in the Federal Register, which description may be included in a notice of funding availability; and (2) there expires a period of sixty calendar days following the date of such publication, during which period the Secretary shall fully consider any public comments submitted with respect to such demonstration program.

Nothing in this section may be considered to authorize the conducting of any demonstration program by the Secretary of Housing and Urban Development.