This rulemaking would revise regulations in order to meet the requirements of the Congressional directive provided through the MAP-21 Act, subtitle F, section 31601, Rulemaking on Visibility of Agricultural Equipment. This is a statutory mandate. The costs and benefits have not yet been determined. The purpose of this rule would be to improve the daytime and nighttime visibility of agricultural equipment that may be operated on a public road. Agricultural equipment has the meaning given the term ´agricultural field equipment´ in the American Society of Agricultural and Biological Engineers (ASABE) Standard 390.4: ´Agricultural tractors, self-propelled machines, implements, and combinations thereof designed primarily for agricultural field operations.´ The rule would establish minimum lighting and marking standards for applicable agricultural equipment according to the directive in MAP-21. According to Sec. 31505 of the Motor Vehicle and Highway Safety Improvement Act of 2012, if the Secretary determines that any deadline for issuing a final rule under this act cannot be met, a new deadline may be established and a letter must be submitted to Congress explaining why the deadline cannot be met. The Department has determined that this rulemaking would be nonsignificant and will not appear in next month´s report.