Verdonk was elected as a Member of the House of Representatives, but after continuing disagreement with Party leader Mark Rutte, she was expelled from the parliamentary faction of the People's Party for Freedom and Democracy on 13 September 2007.
Verdonk terpilih sebagai Anggota Dewan Perwakilan, namun setelah ditolak oleh Pemimpin partai Mark Rutte, ia keluar dari faksi parlementer Partai Rakyat untuk Kebebasan dan Demokrasi pada 13 September 2007.