; (2) the methodology for implementing the project; and (3) any existing programs or arrangements that can be used to supplement or leverage assistance under the program. . (c) Savings clause Nothing in this section, or the amendments made by this section, shall affect an agreement to provide assistance under section 54101 of title 46, United States Code, that was executed before October 1, 2017. Such an agreement shall continue to be subject to the requirements to which such agreement was subject under section 54101 of that title as in effect on the day before October 1, 2017. 509. Small shipyard contracts (a) In general Chapter 17 of title 14, United States Code, is amended by inserting after section 667 the following: 667a. Construction of Coast Guard vessels and assignment of vessel projects The assignment of Coast Guard vessel conversion, alteration, and repair projects shall be based on economic and military considerations and may not be restricted by a requirement that certain parts of Coast Guard shipwork be assigned to a particular type of shipyard or geographical area or by a similar requirement. . (b) Table of contents The table of contents of chapter 17 of title 14, United States Code, is amended by inserting after the item relating to section 667 the following: 667a. Construction of Coast Guard vessels and assignment of vessel projects. . 510. Western challenger; certificate of documentation Section 604(b) of the Howard Coble Coast Guard and Maritime Transportation Act of 2014 ( Public Law 113–281 ; 128 Stat. 3062) is amended by inserting and a fisheries endorsement after endorsement . VI Department of Commerce vessels 601. Waivers for certain contracts Section 3134 of title 40, United States Code, is amended— (1) by inserting Secretary of Homeland Security, after Air Force, each place it appears