When a tech signs a smog cert it reads:
"I certify, under penalty of perjury, under the laws of the Sate of California, that I performed the inspection in accordance with all bureau requirements, and that the information listed on this vehicle inspection report is true and accurate."
When a PR signs piece of evidence used in an accusation it reads:
"I declare, under penalty of perjury, under the laws of the State of California, that the foregoing is true and correct
to the best of my knowledge and belief."
See the difference? One person is allowed to make a mistake and the other is screwed.