Office of General Counsel

Fermi Forward Discovery Group, LLC manages and operates the Fermi National Accelerator Laboratory pursuant to Contract number 89243024CSC000002 with the United States Department of Energy.

FFDG Substantive Modifications

• Modification No. 004 – January 13, 2025

Archived FRA Substantive Modifications

• Modification No. M383 – January 1, 2025
• Modification No. M374 – October 24, 2024
• Modification No. M369 – August 19, 2024
• Modification No. M359 – March 28, 2024
• Modification No. M347 – November 1, 2023
• Modification No. M341 – September 12, 2023
• Modification No. M330 – April 20, 2023
• Modification No. M317 – November 19, 2022
• Modification No. M316 – October 31, 2022
• Modification No. M310 – September 16, 2022
• Modification No. M307 – August 24, 2022
• Modification No. M302 – June 10, 2022
• Modification No. M293 – February 16, 2022
• Modification No. M291 – December 30, 2021
• Modification No. M289 – December 15, 2021
• Modification No. M286 – October 14, 2021
• Modification No. M285 – October 8, 2021
• Modification No. M281 – August 17, 2021
• Modification No. M275 – May 18, 2021
• Modification No. M273 – May 3, 2021
• Modification No. M266 – March 11, 2021
• Modification No. M265 – February 16, 2021
• Modification No. M263 – January 11, 2021
• Modification No. M261 – December 21, 2020
• Modification No. M256 – October 22, 2020
• Modification No. M255 – September 30, 2020
• Modification No. M248 – April 21, 2020
• Modification No. M247 – April 7, 2020
• Modification No. M240 – October 1, 2019
• Modification No. M239 – October 1, 2019
• Modification No. M236 – August 21, 2019
• Modification No. M232 – May 24, 2019
• Modification No. M227 – January 23, 2019
• Modification No. M223 – October 1, 2018
• Modification No. M209 – November 28, 2017
• Modification No. M207 – October 18, 2017
• Modification No. M198 – April 28, 2017
• Modification No. M197 – April 28, 2017
• Modification No. M191 – December 20, 2016
• Modification No. M187 – September 28, 2016
• Modification No. M184 – August 5, 2016
• Modification No. M180 – May 24, 2016
• Modification No. M175 – January 19, 2016
• Modification No. M170 – October 27, 2015
• Modification No. M167 – October 19, 2015
• Modification No. M165 – September 29, 2015
• Modification No. M164 – September 10, 2015
• Modification No. M161 – July 22, 2015
• Modification No. M157 – May 26, 2015
• Modification No. M151 – January 9, 2015
• Modification No. M147 – September 29, 2014
• Modification No. M142 – June 27, 2014
• Modification No. M139 – March 25, 2014
• Modification No. M137 – March 17, 2014
• Modification No. M133 – December 19, 2013
• Modification No. M128 – October 21, 2013
• Modification No. M127 – September 26, 2013
• Modification No. M122 – June 10, 2013
• Modification No. M113 – January 7, 2013
• Modification No. M109 – October 25, 2012
• Modification No. M104 – August 3, 2012
• Modification No. M100 – May 1, 2012
• Modification No. M091 – FY 2012
• Modification No. M090 – September 29, 2011
• Modification No. M076 – February 25, 2011
• Modification No. M072 – November 17, 2010
• Modification No. M068 – August 12, 2010
• Modification No. M050 – February 1, 2010
• Modification No. M048 – September 25, 2009
• Modification No. M035 – March 11, 2009
• Modification No. M024 – May 29, 2008
• Modification No. M009 – September 4, 2007
• Modification No. M002 – January 1, 2007