But the National Party opposition said Clark must shoulder some blame.
Clark, who is seeking a third term for her Labour government, declined to comment on the sentences handed down in the Timaru District Court today.
The driver and Howard were also found guilty of following too closely.
They were each fined $NZ675 ($A625), but were not disqualified from driving.
Less than a week after July 4, a day when Americans celebrate our freedom and liberty, Sandra Bland was pulled over for a traffic violation.
The lawful traffic stop that escalated into an arrest and culminated in Ms.