Tuhia he haere tonu mo tenei waahanga - I uru ia ki te roopu manapori matau a Pim Fortuyn List (LPF) i te 6 o Mei 2002, i te ra i kohurutia ai a Pim Fortuyn
, a ka noho hei mema o te poari o tana pene o South Holland. I mahue ia i te poari i muri mai i taua tau ka uru atu ki te roopu roopu Democratisch Platform Nederland. I mahi hoki a De Vree hei kaikorero mo Actiecomité OZB Nee (Action committee property tax no), i whakatuhia i te tau 2004 whai muri i tana taone nui, Hardinxveld-Giessendam, i kii ka piki ake tana taake rawa ki te 85%. I te mutunga o te urupare kino, ka whakahekehia e te kaunihera o te taone te pikinga ki te 55%.