How to obtain the PBAU enrolment reference

The PBAU enrolment reference is the one that appears in the upper left corner of the PBAU enrolment receipt

PBAU enrolment reference of the PBAU enrolment receipt

You can also check this reference from the GestIB families website in the Academic Data section

PBAU enrolment reference of the PBAU enrolment receipt from the GestIB families website