You will have to go to the Consulate. You need to get an appointment to do dual. No walk ins. If you have all your requirements, you will finish that day and return the following Thursday to be sworn in. Hope that helps.
if you preffering in dual citizenship king please follow this link http://www.philippinessanfrancisco.org/news/5198/591/Dual-Citizenship-Procedure/d,phildet/
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