Jean was among 10 presidential candidates who faced challenges to their bids, and there were concerns he might not meet residency requirements because he lives primarily in the United States.
He also faces questions about US back taxes.
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But Jean is hugely popular among Haiti's youth, and some 300 of his supporters marched in heavy rain outside the country's electoral office Thursday.
Haiti's November 28 election is still uncertain in the aftermath of a powerful January 12 earthquake that killed at least 250,000 people and left 1.5 million homeless.

