(b) Any person, corporation, company, association, joint stock association, partnership, person or any officer or agent thereof, found guilty of violating any of the department's safety rules or regulations involving an out-of-service defect relating to brake systems, steering components and/or coupling devices shall be subject to a fine of not less than five hundred dollars nor more than one thousand two hundred fifty dollars for the first offense, and upon being found guilty of a second or subsequent offense committed within eighteen months by a fine of not less than one thousand two hundred fifty dollars nor more than three thousand dollars, or by imprisonment for not more than sixty days or by both such fine and imprisonment; provided, however, that if any such person, corporation, company, association, joint stock association, partnership, person or any officer or agent thereof is operating a farm vehicle registered pursuant to subdivision thirteen of section four hundred one of the vehicle and traffic law in conformance with the terms of such registration, and if the violation as set forth in the summons is corrected not later than one-half hour after sunset on the third full business day after the issuance of the summons and proof of such correction as set forth in item (b) of subparagraph (iv) of this paragraph is submitted to the court, the penalty for a first violation involving brake systems shall be a fine of two hundred fifty dollars, the penalty for a first violation involving steering components and/or coupling devices shall be a fine of two hundred dollars and the penalty for a first violation involving any other out-of-service defect shall be a fine of one hundred fifty dollars. A motor vehicle shall be deemed to be out-ofservice only until such time as the applicable out-of-service defect is repaired or adjusted. Any person, corporation, company, association, joint stock association, partnership, person or any officer or agent thereof, found guilty of violating any of the department's safety rules or regulations involving an out-of-service defect relating to load securement, shall be subject to a fine of not less than one thousand dollars nor more than one thousand five hundred dollars for the first offense, and upon being found guilty of a second or subsequent offense committed within eighteen months by a fine of not less than one thousand five hundred dollars nor more than three thousand dollars, or by imprisonment for not more than sixty days or by both such fine and imprisonment; provided, however, that if any such person, corporation, company, association, joint stock association, partnership, person or any officer or agent thereof is operating a farm vehicle registered pursuant to subdivision thirteen of section four hundred one of the vehicle and traffic law in conformance with the terms of such registration, the penalty for such violation shall be a fine of five hundred dollars. A motor vehicle shall be deemed to be out-of-service only until such time as the applicable out-of-service defect is repaired or adjusted.