[List of CFR Sections Affected (LSA), December 2025] [From the U.S. Government Publishing Office, www.gpo.gov] TITLE 6_DOMESTIC SECURITY Chapter I_Department of Homeland Security, Office of the Secretary (Parts 1_199) Chapter I Notification........................................5491, 6777 5.3 (a)(2) and (c) revised; eff. 1-22-26...........................59946 5.21 (a)(6) and (c) revised; eff. 1-22-26..........................59947 5 Appendix A revised; eff. 1-22-26.................................59947 13 Heading revised.................................................49012 13 Nomenclature change.............................................49013 13.1 (a) revised; (d) removed......................................49012 13.2 (n) through (q) redesignated as (p) through (t); new (n), new (o), and new (q) added; (a), (e)(3), new (r), and new (s) revised...........................49012 13.3 (a)(5) and (b)(1)(i)(B) revised...............................49012 13.6 (a)(2) amended; (d) added.....................................49013 13.8 (a) amended...................................................49013 13.13 Revised......................................................49013 13.14 (a)(1) and (b) amended.......................................49013 13.15 Amended......................................................49013 13.16 Heading revised; (d) and section amended; (e)(2) revised.................................................49013 13.45 Revised......................................................49013 [[Page 19]] 13.46 (b) and (c) amended; (f) redesignated as (g); new (f) added.............................................49013 13.47 (a) revised; (d) added.......................................49013 37.5 (b) and (c) revised; (d) and (e) added.........................3503 37.17 (c) and (m) amended..........................................21690 37.19 (e) amended..................................................21690 139 Added; eff. 1-1-26.............................................24218 139 Regulation at 90 FR 24218 eff. date changed to 11-5-25........................................................49247 139.5 (e) revised..................................................49248 Proposed Rules: 5...................................................................2642 139.................................................................4398