By Michael Oleaga / ( | First Posted: Dec 27, 2012 08:26 PM EST

Marchers display the U.S. flag as they pass through downtown Milwaukee, WI May 1, 2006 as part of the national boycott to protest immigration bill HR 4437. (Photo : Reuters)

Political leaders in Congress have been given a warning from Latino leaders in regards to immigration reform and the next election season.

Eight Latino groups will be campaigning politicians to pass immigration reform that includes a pathway to citizenship and are confident their efforts will be successful. The groups are the National Council of La Raza, Service Employees International Union, the League of United Latin American Citizens, Mi Familia Vota, Voto Latino, Labor Council for Latin American Advancement, Hispanic Federation, and NALEO Educational Fund.

"Immigration reform will happen," Service Employees International Union Secretary-Treasurer Eliseo Medina. "Whether it will happen over the political bodies ... of some of the current members of Congress, only they can decide. They will come to vote for immigration reform.

Medina added, "They can come out of their own will because it's the right thing to do or they can come kicking and screaming, but they will come. I guarantee that."

The groups plan to lobby to push political leaders on working on immigration reform with letter writing campaigns, petitions, and visits to Washington D.C.

One additional initiative the groups are planning is a "scorecard" as the Huffington Post noted, keeping track on politicians' stance, statements, and votes on immigration issues.

"I can tell you here that all of these leaders, including myself, are very committed to having one comprehensive immigration reform bill, and that is going to be key," National Council of La Raza President Janet Murguia.

The groups have not commented on specific names they'll give further attention to but have committed to lobby to both Democrats and Republicans. 

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