[LittleLinda]

Federal elections can’t be canceled as you think. The terms of office for Congress and the President require elections so that the offices can be filled. Without elections, the offices expire, and no one fills them.
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I didn’t think they could be cancelled at all, but it looks as though they can be if Congress is the only body who has the authority to conduct a Presidential election and then it simply fails to hold an election. I’ve been trying to gauge the likelighood of Congress doing the unthinkable and It’s looking more likely ... unless Devolution has been executed.

[Publius]

Congress does not have the authority to suspend federal elections, although Congress has set the date of federal elections since the 1840s. Only the president can all off elections, and that requires the complete abrogation of the Constitution due to some war or crisis and a return to what the Framers called "a state of nature."