Food packaging regulations: FDA & food-contact basics

How US food packaging is regulated

In the US, food packaging is regulated on two connected fronts: the safety of the material that touches the food, and the accuracy of what the label tells the buyer. Different agencies own different pieces.

The FDA (Food and Drug Administration) is the primary federal regulator for most foods. Under the Federal Food, Drug, and Cosmetic Act, a substance that becomes part of food through contact with packaging is treated as something that must be safe for that use — the plastic, coating, adhesive, ink, or paperboard that touches your product is not a neutral wrapper in the eyes of the law. Food-contact materials generally reach the market through one of a few routes: an FDA authorization for a specific food-contact use, status as Generally Recognized As Safe (GRAS) for that use, or another established exemption. The common thread is that a food-contact material is expected to be authorized or otherwise cleared for the way you intend to use it, not simply assumed safe.

A key idea behind all of this is migration: over time, and especially with heat, fat, or acidity, small amounts of substances can move from packaging into food. Regulators care about which substances can migrate, and in what amounts, which is why intended use — the food type, temperature, and contact time — matters as much as the material itself. This article avoids quoting specific limits or code sections — those are exactly what to verify against the current regulations for your product.

Meat, poultry, and certain egg products are handled differently: there, the USDA — through its Food Safety and Inspection Service (FSIS) — plays the lead role, frequently alongside the FDA, and label review can be stricter. If your product falls in that category, assume an extra layer of oversight from the start.

At a high level, here is who tends to own what — a map, not a checklist, since boundaries overlap and the details live in each authority's current rules.

What the label has to say

Federal law defines a set of information that most packaged foods must carry. Without getting into the formatting rules — type sizes, panel placement, and the many exemptions are their own rabbit hole — the required elements generally include:

• Product identity — the common or usual name of the food, so it is clear what is in the package.
• Net quantity — how much is inside, by weight, measure, or count.
• Ingredient list — the ingredients, generally in descending order by weight.
• Allergen disclosure — a clear declaration of the major food allergens the product contains.
• Nutrition information — the Nutrition Facts panel required on most packaged foods.
• Responsible company — the name and place of business of the maker, packer, or distributor.

Several of these trace back to named federal frameworks — the Fair Packaging and Labeling Act behind identity and net-quantity rules, the Food Allergen Labeling and Consumer Protection Act behind allergen declaration, and federal nutrition-labeling law behind the Nutrition Facts panel. The major food allergens are a specific list defined by federal law (milk, eggs, and peanuts are familiar examples), and that list has been expanded over time — so treat "which allergens must be declared" as something to confirm against the current rule, not from memory.

Getting the label right is not just good practice. Mislabeling — a missing allergen, an inaccurate ingredient list, an unsupported claim — is one of the most common reasons food products are recalled or refused.

Date labeling, and why it is so inconsistent

If "best by," "sell by," "use by," and "enjoy by" all seem to mean slightly different things, that is because — for most foods — they do. Aside from a few specific categories, there is no single federal standard governing date labels on food. Manufacturers largely set their own dating, and individual states layer on their own rules about what the phrasing means.

• Most dates on food speak to quality rather than a hard safety cliff — but that is a generalization, not a rule to apply to any specific product.
• Because state requirements differ, a date format that satisfies one state may not satisfy another.
• A handful of product categories are treated differently and carry stricter dating expectations — another reason to check your specific product.

If dating matters for what you sell, confirm both the federal position for your food type and the rules in the states where you distribute.

What "food-grade" really means — and why documentation matters

"Food-grade" and "food-contact safe" get used loosely, but they only mean something in context. A material is food-grade for a specific intended use: a film that is perfectly safe for dry, room-temperature goods may not be cleared for hot-fill, high-fat, or acidic products, where migration behaves very differently. The right question is never "is this food-grade?" in the abstract, but "is this material authorized and appropriate for my food, at my temperatures, for my contact time?"

It is also why food packaging so often includes tamper-evident features — seals, bands, shrink sleeves, and breakaway caps that reveal whether a package has been opened. They protect both the consumer and the brand, and for some product categories they are expected as a matter of course.

Because "food-grade" depends on intended use, you verify it on paper, not by looking at the material. Reputable suppliers provide documentation that their material is compliant for food contact:

• Letters of guarantee (sometimes "letters of continuing guarantee") — a supplier's statement that what they ship complies with applicable food-safety law for its intended use.
• Declarations or certificates of compliance — documents identifying which regulations a material meets and any conditions or limits on its use.
• Specifications and technical data — the material's makeup and the conditions it is suitable for.

This paperwork is the backbone of a food-packaging compliance file. If a question ever arises — an audit, a customer requirement, a recall investigation — it is the evidence that your materials were represented as safe and authorized for the way you use them. No letter is a substitute for using a material correctly, but missing letters are a real gap.

Where state law goes further

Federal rules are a floor, not a ceiling. A growing number of states have enacted their own packaging requirements that can apply on top of — and sometimes ahead of — federal law. Two active areas worth knowing by name:

• PFAS-in-packaging restrictions. Many states have moved to restrict intentionally added PFAS ("forever chemicals") in food packaging, particularly in fiber-based and grease-resistant materials. Which substances, which packaging, and by when all vary by state and continue to change.
• California Proposition 65. Prop 65 requires warnings about exposure to certain listed chemicals, and it can reach packaging as well as the product inside. Its list and requirements are specific to California and are updated over time.

These sit alongside broader state packaging laws — recycling, labeling, and extended-producer-responsibility programs — that we cover in our overview of packaging EPR laws in the US. The through-line is the same: check the states where you actually sell, because the map is not uniform and it is moving.

A practical way to stay on top of it

You do not need to memorize the Code of Federal Regulations to run a compliant packaging program. A workable baseline for most food and beverage brands:

1. Get compliance documentation for every food-contact material — letters of guarantee and declarations of compliance — and refresh them whenever a material or supplier changes.
2. Match the material to the actual use — confirm each material suits your food type, fill temperature, and shelf life, not just that it is "food-grade" in general.
3. Build the label against current requirements — identity, net quantity, ingredients, allergens, and nutrition — and re-check whenever you reformulate.
4. Track state requirements where you sell — PFAS restrictions, Prop 65, and state labeling laws, not only the federal baseline.
5. Keep it all on file — specs, letters, and label versions, organized so you can produce them on demand.

For the bigger picture of how these pieces fit with EPR, child-resistant, and sustainability rules, start with our practical guide to US packaging compliance, and when a decision carries real risk, involve qualified counsel. For food and beverage brands specifically, our food & beverage industry page shows how this plays out.

How PackOS keeps your material and spec documentation in one place

Compliance falls apart when the paperwork is scattered. PackOS is built to keep the material and specification record attached to the packaging itself. When you bring artwork, a die file, or a spec into PackOS, it captures the structure, the material, and the dimensions as a durable, versioned specification — so the substrate you approved, the supplier documentation you collected, and the label version you signed off travel together. When something changes — a new material, a reformulated product, a new state to sell in — you have the current spec and its history in one place to check against the rules that apply. You can see how the underlying spec capture works on the technology page, or start a real one with Quick Quote.

PackOS does not file your FDA paperwork or give legal advice — that stays with you and your counsel — but it keeps the material and spec record accurate, current, and ready to hand over.