Nanumpa na sa harap ni Pangulong Rodrigo Duterte si Pampanga Representative Gloria Macapagal-Arroyo.
Ginawa ang oath-taking sa Palasyo ng Malacañang.
Bukod kay Arroyo, nanumpa rin kay Pangulong Duterte ang bagong halal at reelected officials.
Kabilang na sina Caloocan City Rep.-elect Mary Mitzi Cajayon-Uy, Valenzuela City Rep. Eric Martinez, Palawan Rep.-elect Jose Alvarez, Davao de Oro Rep. Ruwel Peter Gonzaga, Camarines Sur Rep.-elect Miguel Luis Villafuerte, Leyte Rep.-elect Richard Frank Gomez, Davao de Oro Gov.-elect Dorothy Montejo-Gonzaga, Isabela Gov. Rodolfo Albano III, Lanao del Norte Gov. Imelda Dimaporo, Northern Samar Gov. Edwin Marino Ongchuan, Romblon Gov. Jose Riano, Batanes Gov. Marilou Cayco, Benguet Gov. Melchor Diclas, Aklan Gov.-elect Jose Enrique Miraflores, Rizal Gov.-elect Nina Ricci Ynares, Quirino Gov.-elect Dakila Carlo Cua, Western Samar Gov.-elect Sharee Ann Tan, Bataan Gov.-elect Jose Enrique Garcia III at Zamboanga Sibugay Gov.-elect Dulce Ann Hofer.
Nanumpa rin kay Pangulong Duterte sina Maguindanao Gov. Mariam Mangudadatu, Leyte Board Member-elect Vincent Rama, Mawab Mayor Ruperto Gonzaga III, Bataan Mayor Gerald Ford Balbin, Maco Mayor-elect Arthur Carlos Voltaire Rimando, Pantukan Mayor-elect Leonel D.O. Ceniza, Mabini Mayor-elect Emerson Luego, Nabunturan Mayor-elect Myrocel Balili, Montevista Mayor-elect Cyrex Basalo, Maragusan Mayor-elect Angelito Cabalquinto, San Isidro Mayor-elect Maria Angelica Go, Pola Mayor-elect Jennifer Cruz, Ormoc City Mayor-elect Lucy Marie Gomez, Pagadian City Councilor-elect Ma. Alicia Elena Ariosa, Pagadian City Councilor-elect Monique Shaira To, Pagadian City Councilor-elect Patrisha Kaye Asugas, Pagadian City Councilor-elect Jun Bajamunde, at Pagadian City Councilor-elect Ariel Jeanjaquet Lim, Jr.