ANSWER
According to Foods to Which Vitamins, Mineral Nutrients and Amino Acids May or Must be Added [D.03.002,FDR] and Grain and Bakery Products (B.13.001) of Food and Drug Regulations, the condition for mandatory and voluntary vitamins and minerals for flour are as following:
| Food | Vitamin, Mineral Nutrient | Conditions |
| Flour, White Flour, Enriched Flour or Enriched White Flour | Mandatory | |
| Thiamine | Shall contain in 100 grams of flour:
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| Riboflavin | Shall contain in 100 grams of flour:
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| Niacin | Shall contain in 100 grams of flour:
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| Folic acid | Shall contain in 100 grams of flour:
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| Iron | Shall contain in 100 grams of flour:
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| Voluntary | ||
| Vitamin B6 | In 100 grams of flour:
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| d–pantothenic acid | In 100 grams of flour:
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| Calcium |
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| Magnesium | In 100 grams of flour:
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References
Canadian Food Inspection Agency. (2014). Food and Drug Regulations. Foods to Which Vitamins, Mineral Nutrients and Amino Acids May or Must be Added [D.03.002,FDR].
Canadian Food Inspection Agency. (2017). Food and Drug Regulations. Grain and Bakery Products (B.13.001).
