Puerto Rico Self-Determination Act of 2007 - Recognizes the inherent authority of the People of Puerto Rico to call a Constitutional Convention for the purpose of proposing a Self-Determination Option for a new or modified commonwealth status, statehood, or independence. Requires such proposal, if approved by the people of Puerto Rico in a referendum, to be presented to Congress, which shall enact a joint resolution approving it and providing for its implementation. Requires a proposal that is changed or amended by Congress to be submitted to the people of Puerto Rico for approval in a referendum before it shall become effective.
Authorizes the Constitutional Convention: (1) if a self-determination proposal is rejected by Congress or by the people of Puerto Rico, to reconvene for the purpose of deliberating to adopt another proposal; and (2) to remain in session until a proposal is enacted.