Step 1: Understanding the term "Date of manufacture."
- The date of manufacture refers to the point at which the food product is fully processed and meets the specifications described on the label.
Step 2: Explanation of incorrect options.
- Procurement date (A) is when the raw materials are acquired, not the manufacturing date.
- Packaging date (D) refers to when the food is packaged, which may occur after the manufacture date.
- Container placement (C) is not a standard term used in food labeling.
Step 3: Selecting the correct option.
Since the date of manufacture indicates the completion of food production, the correct answer is (B) Date on which the food becomes the product as described.