Governor-General Bob Dadae pre-signed 89 open seats' instruments/writs and continued with the 22 provincial instruments.
Over 4000 intending candidates, who have shown interest to contest, will start their nomination today at 4pm with a K1000 fee.
The election returning officers and election managers will now start receiving nominations throughout the country, starting at 4pm today.
Electoral Commissioner Patilias Gamato said campaign will commence for a period of eight weeks.
Nomination will close at 4pm on April 27, followed by polling and counting and return of Writs on July 24.
The signing and issue of Writs was witnessed by diplomats PNGEC staff and the media.