During the 114th Congress (2015-2016), the Cogswell-Macy Act was introduced as H.R. 3535 on September 17, 2015, by:

  • Matt Cartwright (D-PA) and
  • David McKinley (R-WV).

The list of cosponsors at the end of the 114th Congress included:

  • Mark Takano (D-CA)
  • Tony Cardenas (D-CA)
  • Kathy Castor (D-FL)
  • Alan Grayson (D-FL)
  • Michael Honda (D-CA)
  • Jared Huffman (D-CA)
  • Tim Ryan (D-OH)
  • Marcy Kaptur (D-OH)
  • David Jolly (R-FL)
  • Anna Eshoo (D-CA)
  • Joseph Crowley (D-NY)
  • Steve Israel (D-NY)
  • Eric Swalwell (D-CA)
  • Peter Welch (D-VT)
  • Grace Napolitano (D-CA)
  • Robert Brady (D-PA)
  • John Delaney (D-MD)
  • Loretta Sanchez (D-CA)
  • Tim Murphy (R-PA)
  • John Larson (D-CT)
  • Adam Schiff (D-CA)
  • Michael Doyle (D-PA)
  • Suzan DelBene (D-WA)
  • Daniel Donovan, Jr. (R-NY)
  • Mike Thompson (D-CA)
  • Donna Edwards (D-MD)
  • Alcee Hastings (D-FL)
  • Glenn Thompson (R-PA)
  • Scott Peters (D-CA)
  • Chaka Fattah (D-PA)
  • Richard Hanna (R-NY)
  • Peter King (R-NY)
  • Elijah Cummings (D-MD)
  • Michael Fitzpatrick (R-PA)
  • Niki Tsongas (D-MA)
  • Sheila Jackson Lee (D-TX)
  • Janice Shakowsky (D-IL)
  • Pete Aguilar (D-CA)
  • Zoe Lofgren (D-CA)
  • Elise Stefanik (R-NY)
  • Ileana Ros-Lehtinen (R-FL)
  • Grace Meng (D-NY)

The Cogswell-Macy Act was reintroduced in the 115th Congress that opened in January 2017.