Here are the reps that co sponsor the bill. Half of the 12 are from California.
Rep. Blumenauer, Earl [D-OR-3]
Rep. Pocan, Mark [D-WI-2]
Rep. Swalwell, Eric [D-CA-15]
Rep. Norton, Eleanor Holmes [D-DC-At Large]
Rep. Cohen, Steve [D-TN-9]
Rep. Lowenthal, Alan S. [D-CA-47]
Rep. Capuano, Michael E. [D-MA-7]
Rep. Honda, Michael M. [D-CA-17]
Rep. Rohrabacher, Dana [R-CA-48]
Rep. Pingree, Chellie [D-ME-1]
Rep. Lee, Barbara [D-CA-13]
Rep. Huffman, Jared [D-CA-2]