(a) Before taking any final action to implement a by-pass, the Secretary provides the SEA and, as appropriate, LEA or other public agency with written notice.
(b) In the written notice, the Secretary -
(1) States the reasons for the proposed by-pass in sufficient detail to allow the SEA and, as appropriate, LEA or other public agency to respond; and
(2) Advises the SEA and, as appropriate, LEA or other public agency that it has a specific period of time (at least 45 days) from receipt of the written notice to submit written objections to the proposed by-pass and that it may request in writing the opportunity for a hearing to show cause why a by-pass should not be implemented.
(c) The Secretary sends the notice to the SEA and, as appropriate, LEA or other public agency by certified mail with return receipt requested.