A ranar 5 ga Mayu, an yi shelar ainihin kafawar FUNK da Gouvernement royal d'union nationale du Kampuchéa ko GRUNK (Gwamnatin Masarautar Tarayyar Kasa ta Kampuchea). Sihanouk ya dauki mukamin shugaban kasa, ya nada Penn Nouth, daya daga cikin magoya bayansa masu aminci, a matsayin firaminista. An nada Khieu Samphan mataimakin firaminista, ministan tsaro, kuma kwamandan rundunar sojan GRUNK (duk da cewa ayyukan soja na ainihi sun kasance ne ta hannun Pol Pothano). Hu Hu Nim Minista, kuma Hou Yuon ya dauki nauyin alhakin ministan cikin gida da yawa, Sihanouk da Si Si Khoi sun yi kira shi a matsayin mai ba da shawara na musamman. A watan Afrilu na shekarar 1970, an yi kira ga 'yan adawa da suka yi amfani da wannan aikin don ba da'awar cewa ba shi da wata manufa ta siyasa.
Hou Yuon