39 CFR § 778.7
How does the Postal Service communicate with state and local officials concerning the Postal Service's facility project actions?
November 6, 2020
(a) [Reserved]
(b) The Postal Service provides notice directly to affected state, areawide, regional, and local entities in a state of a proposed direct Federal development project if:
(1) The state has not adopted a process under the Order; or
(2) The development project involves a facility project action category not selected for the state process.
This notice may be made by publication in local newspapers and/or by letter.