Senior Member, Non-Attorney
Actually, per state law (as cited above), if a handicap placard had been properly displayed, then the car could have parked there.Your driver illegally parked. Period. Even if the handicap placard were displayed, the car was not, according to you, parked in a handicapped space, so it did not belong there. Have you read the code - Ron generously provided a link. There's nothing in there about those with a handicapped plate/placard being exempt.
It is not that the handicap placard was not displayed.
Not that it matters here, of course. A doctor's note is not a handicap placard.