What is Congress of the Union?
{{Infobox legislature | name = Congress of the Union | native_name = Congreso de la Unión | transcription_name = | legislature = [[LXIV Legislature of the Mexican Congress|LXIV Legislature]] | coa_pic = Seal of the Government of Mexico (linear).svg | coa_res = | coa_alt = Seal of the Congress | foundation = {{Start date|1821|09|28}} | house_type = Bicameral | body = | houses = [[Senate (Mexico)|Senate]]<br>[[Chamber of Deputies (Mexico)|Chamber of Deputies]] | term_limits = | leader1_type = President of the<br>Senate | leader1 = [[Mónica Fernández Balboa]] | party1 = [[File:Morena Party (Mexico).png|23px]] ([[National Regeneration Movement|MORENA]]) | leader2_type = President of the<br>Chamber of Deputies | leader2 = [[Laura Rojas Hernández]] | party2 = [[File:PAN logo (Mexico).svg|23px]] ([[National Action Party (Mexico)|PAN]]) | election1 = {{Start date|2019|9|1}} | election2 = {{Start date|2019|9|5}} | members = '''628'''<br>(500 Deputies)<br>(128 Senators) | house1 = [[Senate (Mexico)|Senate]] | house2 = {{small|[[Chamber of Deputies (Mexico)|Chamber of Deputies]]}} | structure1 = Senado de México (2018-2024).svg | structure1_res = 250px | structure1_alt = | structure2 = Diputados de México (2018-2021).svg | structure2_res = 250px | structure2_alt = | political_groups1 = '''[[Cabinet of Mexico|Government]] (70)''' *{{colorbox|{{party color|Morena}}|border=darkgray}} [[National Regeneration Movement|MORENA]] (65) *{{colorbox|{{party color|Labor Party (Mexico)}}|border=darkgray}} [[Labor Party (Mexico)|PT]] (5) '''Opposition (58)''' *{{colorbox|{{party color|National Action Party (Mexico)}}|border=darkgray}} [[National Action Party (Mexico)|PAN]] (24) *{{colorbox|{{party color|Institutional Revolutionary Party}}|border=darkgray}} [[Institutional Revolutionar