40 C.F.R. § 29.7
(a) For those programs and activities covered by a State process under § 29.6, the Administrator, to the extent permitted by law:
(b) The Administrator provides notice of proposed Federal financial assistance or direct Federal development to directly affected State, areawide, regional, and local entities in a State if:
(2) The assistance or development involves a program or activity not selected for the State process.
This notice may be published in the Federal Register or issued by other means which EPA, in its discretion deems appropriate.