What are the disadvantages of abc no. means?

ABC ID stands for Academic Bank of Credits ID. It is a unique student identifier used to maintain eligible academic credits digitally. Students may need it when their college or university asks them to create or link their academic records. This information is most useful when it is considered together with the student's qualification, budget and career goal. For someone searching for the disadvantages of abc no. means, the answer should be matched with the exact program and study mode being considered.