2011, parties, federations or coalitions that have not obtained a mandate in either chamber of the Cortes at the preceding election are required to secure the signature of at least 0.1 percent of electors in the aforementioned constituencies. Deputies Elections November 2019 general election April 2019 general election 2016 general election 2015 general election 2011 general election 2008 general election 2004 general election 2000 general election 1996 general election 1993 general election 1989 general election 1986 general election 1982 general election 1979 general election 1977 general election References Congress of Deputies constituencies (Spain) Province of Zaragoza 1977 establishments in Spain Constituencies established in 1977 Politics of Aragon