CALIFORNIA EVIDENCE: CIVIL AND CRIMINAL
...Competency of Witnesses
......In General
.........Statutory Rules
7 Cards On This Topic:

Every person is qualified to testify.

General rule of competency.

Competency rules in civil actions apply to criminal actions.

Testimony of single competent witness sufficient to prove any point.

Witness incompetent if incapable of expressing self so as to be understood, or incapable of understanding duty to tell truth.

In court trial, court may reserve challenges to competency until after witness testifies.

Burden of establishing that witness incompetent to testify is on party objecting to admission of testimony.