As used in this chapter, the following terms shall have the meanings indicated:
Any written statement in the presence of a witness and to which statement the witness shall affix his/her signature, stating that the person executing the same and charged with a violation is thereby appearing and answering to the charge, pleading guilty thereto, waiving a hearing in court and authorizing the person in charge of the Traffic Violations Bureau to make such a plea in his/her stead in court.