The National Waterways Conference has submitted a letter in response to the notice published in the Federal Register on February 5, 2018, seeking comment on the draft Engineering Circular (EC) on 408 permissions. According to the notice, comments must be submitted by March 7, 2018. 83 Fed. Reg. 5075. The National Waterways Conference requests that the U.S. Army Corps of Engineers extend the time by which to submit comments by an additional sixty (60) days.