Egg Carton Labels and Stamps: USDA and FDA Requirements

By Leo Chan  |  Writer, BonitoPak  |  20+ years in molded pulp packaging

Published: 22 August 2026   |   Last reviewed: 22 August 2026

Egg cartons sold to consumers must carry FDA required items including a fixed safe handling statement, net contents, and a responsible party. Cartons bearing the USDA grade shield add a pack date and plant code. State rules apply below the federal threshold and vary widely.

Egg carton labels are governed by two federal agencies, and they govern different things. Two agencies act on a carton of shell eggs, and they govern different things. Add state rules on top and it becomes easy to print a run of cartons that misses something required or claims something you cannot support.

This guide sets out what has to appear, what only applies if you are graded, which wording is fixed by regulation, and where the design constraints bite. It is general information rather than legal advice, and your state department of agriculture remains the authority for your own operation.

Two Agencies, Two Different Jobs

Understanding the split makes the rest straightforward.

FDA has jurisdiction over shell eggs as a food, so cartons are subject to general food labeling rules plus one requirement specific to eggs. USDA runs the grading program, which is voluntary. If you choose to use the grade shield, a further set of obligations attaches to it. If you do not, those particular rules do not apply to you, but FDA rules still do, and so does your state.

The Safe Handling Statement Is Fixed Wording

This is the item most often got wrong, because producers treat it as a design element rather than as regulated text.

Under 21 CFR 101.17(h), shell eggs that have not been treated to destroy Salmonella must carry this statement, word for word:

SAFE HANDLING INSTRUCTIONS: To prevent illness from bacteria: keep eggs refrigerated, cook eggs until yolks are firm, and cook foods containing eggs thoroughly.

You cannot shorten it, paraphrase it or split it across panels to make it fit. The requirement dates from a final rule published in December 2000 and became mandatory in September 2001, following outbreaks linked to Salmonella Enteritidis.

Where the safe handling instructions can go

There is flexibility on placement but not on presence. The statement may appear on the principal display panel, on the information panel, or on the inside of the lid. If you put it inside the lid, the outside of the carton must carry the words Keep Refrigerated so the instruction is visible before purchase.

Type size is governed by general labeling rules requiring mandatory information to be prominent and conspicuous, with a minimum of one sixteenth of an inch. On a molded fiber carton that is worth checking against your actual print method, since a rough surface can make small type harder to read than the same size on smooth board.

Eggs not sold directly to consumers, such as those going for repacking or into food service, are treated differently. In those cases the statement can travel on the labeling rather than the carton, meaning invoices or bills of lading, as the FDA small entity compliance guide sets out.

Other FDA Egg Carton Labeling Requirements

Beyond the safe handling text, shell egg cartons are subject to general food labeling rules. The recurring items are:

• A statement of identity, meaning the word EGGS on the principal display panel.
• Net contents, expressed as a count such as One Dozen Eggs or 12 Eggs.
• The name and address of the manufacturer, packer or distributor.
• A nutrition facts panel, unless a small business exemption applies.

The nutrition exemption is worth understanding rather than assuming. It is tied to sales thresholds and has conditions attached. Many small producers qualify, but qualifying and claiming correctly are different things, and it is easier to confirm before printing than to reprint afterwards.

What the USDA Grade Shield Adds

Federal grading is voluntary. Choose it and two additional marks become part of the carton.

The pack date

Cartons carrying the grade shield must show the pack date, meaning the day the eggs were washed, graded and placed in the carton. It is expressed as a three digit Julian date running from 001 for January 1 through to 365 for December 31, and it usually sits on the short side of the carton.

So a carton stamped 125 was packed on the 125th day of the year, which is May 5. The Julian date is a better freshness indicator than any sell by marking, because it records what actually happened rather than an estimate.

The plant code stamp

A plant number, normally shown with a P prefix such as P-1234, identifies where the eggs were processed. This is the traceability mechanism. When a recall is announced, the notice names plant codes and Julian date ranges, and that pairing is how a specific batch gets identified on a shelf. It is the practical reason the two codes are printed together.

Date limits

On graded cartons, an expiration date cannot be set more than 30 days after the pack date. Sell by and expiration dates are not required federally at all. They appear because state law requires them or because a retailer does.

Reading the Codes on Egg Carton Labels

Grade and Size Terms Are Not Interchangeable

A common error is treating grade and size as one field. They are separate and they measure different things.

Grade describes quality, using the official terms Grade AA, Grade A and Grade B. Size describes weight per dozen. State guidance typically allows only one official grade term and one official size term on the label, so listing two of either creates a compliance problem as well as confusing the shopper. We cover how the size classes work in our guide to egg carton sizes and counts.

Net content also has a placement convention. Guidance from states such as Vermont places it in the lower portion of the principal display panel and specifies formats such as 6 Eggs or Half Dozen Eggs. If you show net weight as well, it needs the standard format such as 24 oz.

The Statement of Responsibility Has to Be Truthful

Every carton names who stands behind the eggs, and the wording carries meaning. Produced by indicates the business raised and packed the eggs. Distributed by or packed for indicates it did not. Using produced by when you are reselling another farm’s eggs is a misstatement, not a stylistic choice.

This is also why reusing another farm’s branded cartons is prohibited in most states. The carton identifies a producer, and putting different eggs inside it misidentifies them. If cartons are reused at all, previous branding must be fully covered.

Claims That Need Something Behind Them

Marketing terms on cartons attract more scrutiny than the mandatory items, because they influence purchase and price.

Organic is the strictest. Using the National Organic Program logo requires certification by an accredited certifying agent, and it is not a term a producer can apply to themselves. Production method claims such as cage free, free range and pasture raised carry verification expectations, and where they appear on a USDA graded carton they are subject to source verification through periodic farm visits.

The practical rule is simple. If a claim cannot be evidenced by a certificate or an audit trail, it does not belong on printed packaging, because printed packaging is permanent and a sticker is not.

State Rules Sit Underneath All of This

Federal grading requirements generally begin to apply above roughly 3,000 laying hens. Below that, most producers are governed by state egg law, which varies considerably and often requires items federal rules do not, including sell by dates.

This is also where the blank carton question resolves itself. State guidance is explicit that when a producer uses blank cartons, the producer or distributor carries responsibility for including every required element. The carton supplies nothing. We work through that trade off in our comparison of blank and printed egg cartons.

What We See on Our Own Production Line

We manufacture molded pulp egg packaging in Chashan Town, Dongguan, and labeling comes up at the tooling stage rather than at the print stage. A few points from doing this repeatedly.

Label flats have to be designed in, not added later

A molded carton has a curved, dimpled surface, and neither stickers nor small type sit well on it. Flat areas for labels, stamps and date codes are formed into the mold. Our recycled paper pulp egg cartons include label flats for exactly this reason. If a flat is not in the tooling, the only way to add one later is a new mold.

Surface finish affects legibility at minimum type size

The one sixteenth inch minimum is a legal floor, not a guarantee of readability. On a rough dry pressed surface, type at that size can break up. Our wet pressed cartons finish at a wall thickness of roughly 0.7 to 1.2mm with a smooth, dense face that holds fine detail, which is the practical reason retail facing cartons carrying mandatory text are usually wet pressed.

Separate what is fixed from what changes

Farm name, safe handling text and address stay the same for years. Pack date and lot information change every run. We advise customers to emboss or print the fixed elements and leave a designated flat for the variable ones, applied as an egg carton stamp or by inkjet at packing. Trying to print a date code into the carton itself means new tooling for every batch, which nobody wants.

Where color is doing branding work, pigment goes into the pulp rather than onto the surface. We run six pulp systems matched to better than 95 percent Pantone accuracy, and the material options are set out on our custom egg tray page. Sample molds run in about seven days and production molds follow around eight days after geometry approval, with minimums from 1,000 pieces, so the label layout needs to be settled before that clock starts.

Putting This Into Practice

Work through your egg carton labeling requirements in three passes. First list every mandatory element for your situation, separating FDA items that always apply from USDA items that only apply if you are graded, then add whatever your state requires. Second, check every voluntary claim against a document that proves it. Third, take the layout to your carton supplier before tooling, so label flats and print areas are formed into the mold rather than worked around afterwards.

One habit worth adopting. Keep the exact safe handling wording in a file and copy it into artwork rather than retyping it. Retyping introduces small changes, and small changes to fixed regulatory text are still changes. The materials side of the decision is covered in our article on what egg cartons are made of.

En BonitoPak we set label flats, print areas and cell geometry together when tooling is cut, because a compliance element that has nowhere to sit becomes a reprint or a new mold. Sending your label layout alongside your specification is the fastest way to avoid both.

About the Author

Leo Chan is the founder of BonitoPak and has spent more than 20 years in molded pulp packaging, working with over 500 brands moving from plastic and foam to fiber based formats. BonitoPak manufactures molded pulp packaging at its facility in Chashan Town, Dongguan, Guangdong, running both wet pressing and dry pressing lines across six pulp systems, with in house mold design and tooling. The guidance here reflects packaging and tooling experience on that line alongside published FDA and state shell egg labeling requirements. It is general information rather than legal advice, and requirements change.

Preguntas frecuentes

Q: Can I reword the safe handling statement on egg carton labels?

A: No. The wording is fixed in federal regulation and must appear as written. You can choose placement between the display panel, information panel or inside lid, but not the language itself.

Q: Do I need a Julian date if I am not USDA graded?

A: Not under federal rules, since the pack date requirement attaches to the grade shield. Some states require a date on ungraded eggs, so check your own department of agriculture before omitting it.

Q: What does the P number on a carton mean?

A: It identifies the plant where the eggs were washed, graded and packed. During a recall it is how specific lots get traced, which is why it appears alongside the pack date rather than elsewhere.

Q: Is nutrition labeling required on every carton?

A: Not always. A small business exemption applies below a sales threshold, but it has conditions and must be claimed correctly. Confirm eligibility with FDA guidance rather than assuming it applies.

Q: Can labeling information be embossed instead of printed?

A: Fixed information such as a farm name can be embossed. Anything that changes per batch, like the pack date, needs printing or stamping, because tooling cannot be recut for each run.