Hizb-ut-Tahrir is a Takattul (structure) based upon an ideology (Mabda') whose members have believed in, an ideology which the party aims at establishing in society, in one part of the world at first, then throughout the whole world. Therefore, it is not a Mujtahid, nor is it a Muqallid, it is in fact a Takattul based on Islam in its quality as an ideology, which it aims at establishing in society then in the world..