24 C.F.R. § 52.7
(a) For those programs and activities covered by a state process under § 52.6, the Secretary, to the extent permitted by law—
(b) The Secretary provides notice to directly affected state, areawide, regional, and local entities in a state of proposed Federal financial assistance or direct Federal development if—
(2) The assistance or development involves a program or activity not selected for the state process.
This notice may be made by publication in the Federal Register or other appropriate means, which the Department in its discretion deems appropriate.