1. All persons are competent to testify.
2.Merely being a party to the suit does not make one an interested witness.
3. There must be proof that one is an interested witness – no speculation.
4. No legal presumption that an interested witness should not be believed.
5. No rule that evidence of interested witness must be rejected on that account alone.
6. Evidence of an interested witness requires corroboration in order to be relied upon.
7. Evidence of interested witness must be weighed in the face of the totality of the evidence and overall circumstances.
8. Evidence of interested witness can be relied upon if the evidence had a ring of truth in it.
9. Whilst the court must be cautious of evidence of interested witness, the court must not be suspicious of such evidence.
10. The court may accept the evidence of interested witness either in part or in whole – with proper justifications.
See: Teoh Kiang Hong v. Theow Say Kow @ Teoh Kiang Seng, Henry [2025] 2 AMR 381, FC.
R. Jayabalan
MESSRS R. JAYABALAN
