The two legislators appeared before Chief Magistrate Peter Gesora where they denied committing the offences.
They were each released on a Sh150,000 bond with surety of a similar amount.
The court ordered that the case be heard on July 9.
Their troubles started after they were captured on video harassing weighbridge officials in Gilgil where they had gone to demand the release of a truck belonging to the nominated MP.
Keter was specifically captured hurling insults to the officials and even using the name of the President to intimidate them.
The Leadership and Integrity Act Section 11 require state officers to conduct themselves in a professional manner when discharging his duties.
Section 11 (a) states: “A State officer shall carry out duties of the office in a manner that maintains public confidence in the integrity of the office.”
“A State officer shall treat members of the public and other public officers with courtesy and respect,” reads Section 11(b).