Attempting to replace fuel pump on my 2007 ford 500 SEL. on 2007 Ford Five Hundred

MY question is, How do I access the fuel pump? I'm getting mixed responses. I've googled it and read that my back seat must come out in order to access it and I've heard that you Cannot access it from removing the backseat but you must drop the fuel tank. Which is it? I don't want to go through the trouble of removing my seat for no reason.

Asked by for the 2007 Ford Five Hundred