Section 299.21 - Notice of intent to implement a bypass(a) Before taking any final action to implement a bypass, the Secretary provides the affected agency, consortium, or entity with written notice.(b) In the written notice, the Secretary- (1) States the reasons for the proposed bypass in sufficient detail to allow the agency, consortium, or entity to respond;(2) Cites the requirement that is the basis for the alleged failure to comply; and(3) Advises the agency, consortium, or entity that it-(i) Has a deadline (which must not be fewer than 45 days after receiving the written notice) to submit written objections to the proposed bypass; and(ii) May request in writing the opportunity for a hearing to show cause why the Secretary should not implement the bypass.