. Professional Membership For any trainings leading to professional registration with UKCP, HCPC or BACP, IATE Professional Membership is required between finishing the taught component and receiving the qualification andor registration. adminbabcp. You need to join the BACP Register within 24 months of becoming an individual member. . . . This policy covers all activities that form part of the PWP Registration & Membership Process. It is impossible to list all the qualifications here.