Tools / Prevention Policies Directory / Greenhouse Vegetables – Marketing, RRO 1990, Reg 417 Print Greenhouse Vegetables – Marketing, RRO 1990, Reg 417 Location: Ontario Risk factor: Nutrition Policy intervention: Healthy food marketing, Food promotion, Nutrition Setting: Population/community-wide Policy status: Active Policy type: Regulation Jurisdiction: Provincial/Territorial Year last amended: 2006 Year of adoption: 1990 Year repealed: View policy This link will open in a new window tab