JAR-FCL 1.030 (e) "Before a skill test for the issue of a licence or rating is taken the applicant shall have passed the associated theoretical knowledge examinations" Integrated training is the only exception.
You will find this is a pre-entry requirement for a CPL Modular course of training, if you have not passed all of the exams you will not be able to start a course of flying training.
[This message has been edited by Noggin (edited 18 April 2001).]