104. What are some of the important doctrines that guide the Supreme Court in interpreting the Constitution

Important doctrines include:

1. Doctrine of Severability.
2. Doctrine of Waiver.
3. Doctrine of Eclipse.
4. Doctrine of Territorial Nexus.
5. Doctrine of Pith and Substance.
6. Doctrine of Colourable Legislation.
7. Doctrine of Implied Powers.
8. Doctrine of Incidental and Ancillary Powers.
9. Doctrine of Precedent.
10. Doctrine of Occupied Field.
11. Doctrine of Prospective Overruling.
12. Doctrine of Harmonious Construction.
13. Doctrine of Liberal Interpretation.