Chief Justice, Sir Gibbs Salika who administered the swearing in of the MPs, urged the MPs to use their mandate responsibly and serve the people of Papua New Guinea.
"The declaration that you're about to make and sign is a solemn promise to the people of Papua New Guinea,” he said.
"But it's not only to the people of PNG, but to the entire world at large and to God Almighty.
"God Almighty is our unseen visitor in our midst in this house.
"The Constitution says all making power of the people of Papua New Guinea is now going to be vested in you all.