[ilovesarah2012]

There is no law or provision that a candidate must prove his eligibility to be president. The law needs to be enacted before 2012.

[Man50D]

There is no law or provision that a candidate must prove his eligibility to be president.

Oh really? Then why does each party submit a nomination document with the following statement on the document?

This is to certify that at the national convention of the (party name) of the United States Of America held in (location of party convention) on (date) the following were duly nominated as candidates of said party for President and Vice President of the United State are legally qualified to serve under the provisions of the United States Constitution: