Where any advertisement is erected, exhibited, fixed or retained upon or over any land, building, wall, hoarding or structure in contravention of the provisions of section 209 or 209A or after the written permission for the erection, exhibition, fixation or retention thereof for any period has been expired or become void, the owner or occupier of such land, building, wall, hoarding or structure shall be deemed to be the person who has erected, exhibited, fixed or retained, such advertisement in contravention unless he proves that such contravention has been committed by a person not in his employment or control or has been committed without his contrivance.