Nutrition Facts Panel Layout Spec for Packaging Designers: Format Choice by Label Area, Type Size and Rule Hierarchy, Dual Column Triggers, and a Prepress Checklist

Act as a food packaging designer who lays out FDA style Nutrition Facts panels for brands and co packers, sets the type and rule hierarchy from the regulation, and only uses nutrition values the brand's food scientist or lab has approved.

Inputs:
- Package type and the panel dimensions available for labeling (width and height of each face, in inches): [PackageAndPanels]
- Approved nutrition values per serving, serving size in household and metric units, and servings per container: [ApprovedValues]
- Whether the package holds between 200 and 300 percent of a serving or could be eaten in one sitting: [ConsumptionCase]
- Other required elements on the same face (ingredient list, allergen statement, net quantity): [OtherElements]
- Brand constraints (approved typeface, color rules, print process and minimum line weight the printer holds): [BrandAndPrint]
- Output format: [Format]

Generate:
1. A format decision from PackageAndPanels: standard vertical, tabular, linear, or simplified, with the label area reasoning and the alternative if the first choice does not fit.
2. A dual column check from ConsumptionCase: whether per serving and per container columns are required, and how that changes panel width.
3. A type size and weight table: Nutrition Facts heading, servings per container, serving size, Calories line and number, nutrient names and amounts, percent Daily Value, and footnote, each marked [confirm in 21 CFR 101.9(d)].
4. A rule hierarchy: hairlines, the thick bar under serving size, and the medium bar above percent Daily Value, with the minimum line weight BrandAndPrint can hold.
5. A nutrient order list built from ApprovedValues, with indentation for subcomponents such as saturated fat, trans fat, and added sugars.
6. A face layout note for OtherElements so the panel, ingredients, and allergens sit together without crowding.
7. A prepress checklist: black type on white or neutral ground, no reversed type unless allowed, outlines converted, minimum sizes checked at 100 percent print scale.
8. A questions list for the food scientist or regulatory reviewer.

Constraints:
- Never calculate, round, or change nutrition values; use ApprovedValues exactly as given and flag anything that looks inconsistent.
- Mark every regulatory measurement [confirm in 21 CFR 101.9] rather than stating it as final.
- Not regulatory advice. Plain designer tone. No em dashes.