Opposition Leader Patrick Pruaitch, when welcoming Governor Wouwou, extended their invitation to other MPs in the Government to join them and change the current government.
He said the Prime Minister's post is on the table and invited other parties to form the government.
Pruaitch also made mention of other cabinet ministers who resigned recently from the PNC party.
Last week saw the resignation of Enga Governor Peter Ipatas, SHP Governor William Powi, Hela Governor Philip Undialu, Jiwaka Governor William Tongamp and Komo Margarima MP Manasseh Makiba.