US Embassy issues immigration amnesty deadline reminder for Americans. Nigeria rolled out a $15 daily overstay surcharge as part of broader immigration reforms that came into force on May 1, 2025. "U.S. citizens currently in Nigeria who have overstayed their visa are strongly encouraged to regularise their stay through the amnesty portal before July 31, 2025. Penalties for visa overstays from August 1From August 1, travellers who have not regularised their status will be liable for the full daily surcharge going back to when their permitted stay expired. US Embassy reminds Americans in Nigeria to regularise their immigration status before enforcement begins.