"No Purchase Necessary to Enter or Win." You see this phrase on every legitimate sweepstakes in America. But what does it actually require, and why do so many brands still get it wrong?

The No Purchase Necessary (NPN) rule is the single most important legal requirement for running a sweepstakes in the United States. It's the line that separates a legal promotion from an illegal lottery. This guide explains exactly what the rule requires, what counts as "consideration," and how to design entry methods that keep your promotion compliant.

This article is for informational purposes only and does not constitute legal advice. Consult with a qualified attorney for guidance specific to your promotion.

Why "No Purchase Necessary" Exists

Under U.S. law, an illegal lottery has three elements: prize, chance, and consideration. A sweepstakes has prize (you're giving something away) and chance (winners are selected randomly). To stay legal, you must eliminate consideration — meaning participants cannot be required to pay anything or provide something of significant value to enter.

The NPN rule enforces this by requiring that every sweepstakes offers a genuinely free way to participate. This free entry method must provide the same opportunity to win as any paid or purchase-linked method.

This isn't just a technicality. The FTC, state attorneys general, and private plaintiffs actively enforce NPN requirements. Violations can result in:

Civil penalties ranging from $10,000 to $50,000 per violation in some states
Class action lawsuits from participants who argue the promotion was an illegal lottery
Cease and desist orders that shut down your promotion mid-campaign
Reputational damage that far exceeds any promotional benefit

What Counts as "Consideration"?

This is where many brands get into trouble. "Consideration" extends well beyond simply charging money to enter. Courts have interpreted consideration broadly to include:

Direct Financial Consideration

The obvious cases:

Requiring a product purchase to receive an entry
Charging an entry fee or registration fee
Requiring a paid subscription to access the entry form
Requiring a donation (even to charity) as a condition of entry

Indirect or Non-Financial Consideration

These are the cases that surprise many marketers:

Substantial time or effort — Requiring participants to create elaborate content (a 500-word essay, a professional-quality video) as the only entry method can be considered excessive effort that constitutes consideration. A simple form submission is fine; a multi-hour creative project is risky.
Mandatory app downloads — Requiring participants to download and register for an app to enter can constitute consideration, especially if the app requires payment or collects extensive personal data.
Required social media actions — This is a gray area that varies by jurisdiction. Requiring a follow, share, or tag as the sole entry method may constitute consideration in some states. The safest approach is to offer social actions as optional bonus entries, not mandatory requirements.
Mandatory account creation — Requiring participants to create an account on your platform, especially if it involves agreeing to marketing communications, can be considered a form of consideration in some interpretations.
In-store visit requirements — Requiring participants to visit a physical store location to enter, without offering an alternative, can constitute consideration due to the travel cost and effort involved.

What Is NOT Consideration

On the safe side: providing a name and email address (basic entry information), checking a box to agree to official rules, clicking a button to submit an entry form, or answering a brief optional survey alongside an entry form are all fine. Providing a mailing address for prize delivery and the cost of a postage stamp for mail-in entries are also universally accepted as not constituting consideration.

The Free Entry Method: AMOE

To comply with the NPN requirement, every sweepstakes that involves any purchase element must offer an Alternate Method of Entry (AMOE) — a free way to enter that provides equal chances of winning.

The Golden Rule of AMOE

The AMOE must be equally accessible and not materially more burdensome than the purchase method. Participants who enter for free must have the same chance of winning as those who make a purchase.

This means:

Same number of entries — If buying a product earns one entry, the free method must also earn one entry. If purchases earn bonus entries, the free method must offer equivalent bonus entry opportunities.
Same prize pools — Free entrants must be eligible for the same prizes as purchasers. You cannot create a separate (lesser) prize pool for AMOE entries.
Same entry period — The AMOE must be available for the entire duration of the promotion, not just a subset.
Same odds — Free entries must be weighted equally to purchase entries in the random drawing.

Common AMOE Methods

Mail-in entry — The traditional approach. Participants send a handwritten entry (name, address, phone, email) on a 3x5 card to a specified mailing address. This is universally accepted because the cost of a stamp and envelope has been consistently ruled as not constituting consideration.

Best practices for mail-in AMOE:

Provide the complete mailing address in your official rules and on all promotional materials
Specify exactly what information must be included on the entry
Set a reasonable limit on entries per envelope (one entry per envelope per day is standard)
Process mail-in entries on the same schedule as other entry methods
Keep all received entries for the duration of your record retention period

Online free entry form — Increasingly common, especially for digital promotions. Participants fill out a simple form (name, email, address) on a dedicated entry page that does not require any purchase, payment, or account creation.

Best practices for online AMOE:

Host the form on a publicly accessible page (no login required)
Do not require app downloads, social media accounts, or paid subscriptions to access the form
Link to the form prominently from your official rules and promotional materials
Apply the same entry limits as the purchase method

Phone or text entry — Some promotions offer a toll-free number or text-based entry. Be aware that if participants must pay for the text message (standard messaging rates), this could be viewed as consideration in some jurisdictions.

AMOE Disclosure Requirements

The NPN statement and AMOE instructions must appear:

In the official rules — Full AMOE details including mailing address, entry format, and limits
On all promotional materials — Any advertisement, social media post, in-store display, or email that promotes the sweepstakes must include or link to the NPN statement and AMOE instructions
On the entry page — If the primary entry method is online, the AMOE must be disclosed on or near the entry form
On product packaging — If the sweepstakes is promoted on product packaging, NPN and AMOE must appear on the package

The key test: could a reasonable consumer find and use the free entry method without difficulty? If the AMOE is buried in fine print, accessible only through multiple clicks, or described in confusing language, it may not satisfy the NPN requirement.

Purchase-Required Promotions: How NPN Applies

Many brands run promotions that are tied to purchases — buy a product and get a chance to win, upload your receipt, enter a code from the packaging. These promotions are perfectly legal as long as the NPN rule is followed.

Receipt Upload Sweepstakes

For receipt-based promotions, the AMOE typically works like this:

Purchase method: Buy the qualifying product, upload your receipt, receive an entry
AMOE: Fill out a free online form or mail in a handwritten entry — no purchase or receipt required
Equal treatment: Both methods must receive the same number of entries and be eligible for the same prizes

The receipt validates the purchase but does not gate the sweepstakes. Anyone can enter without buying anything.

Code-Based Promotions

For promotions where a code on the product packaging grants an entry:

Purchase method: Buy the product, find the unique code, enter it online
AMOE: Request a free code by mail (send a self-addressed stamped envelope to receive a code) or submit an entry through a free online form
Equal treatment: Free codes must provide the same entry value as purchased codes

Instant Win + Sweepstakes Hybrid

Many promotions combine an instant win element (scratch to reveal, spin the wheel) with a sweepstakes drawing. The NPN requirement applies to both components:

Free entrants must have access to the same instant win game with the same odds
Free entrants must also be entered into the grand prize sweepstakes drawing
The instant win odds must not differ between purchase and free entry methods

Common NPN Mistakes

1. The Hidden AMOE

Burying the free entry method deep in the official rules with no mention on the entry page or promotional materials. If participants can't easily find the AMOE, courts may rule it's not truly "available."

2. The Burdensome AMOE

Making the free entry method significantly more difficult than the purchase method. For example, requiring a notarized letter, an essay, or submission to a PO Box that takes weeks to process while the purchase method is instant. The AMOE must be comparable in effort.

3. The Delayed AMOE

Processing mail-in entries only at the end of the promotion while purchase entries are processed daily. Free entries must be processed on a comparable timeline to maintain equal odds, especially for instant win games.

4. The Unequal AMOE

Giving purchase entries bonus entries, extra chances, or access to higher-value prize tiers while limiting free entries. Every entry method must have the same chance of winning the same prizes.

5. No AMOE at All

Surprisingly common, especially in social media giveaways that require a purchase, follow, or share as the only way to enter. If there's no free alternative, the promotion may be an illegal lottery.

6. Social Media Requirements as Sole Entry Method

"Follow us and tag 3 friends to enter!" with no alternative entry method. While social media engagement requirements exist in a legal gray area, the safest approach is always to offer an AMOE alongside social entry methods.

State-Specific NPN Requirements

While the NPN principle applies nationally, some states have specific requirements:

California — Strong NPN enforcement. Requires the NPN statement to be displayed on all promotional materials. California's Unfair Competition Law (Business and Professions Code Section 17200) provides broad enforcement authority.
New York — NPN disclosure must appear in official rules filed with the Department of State. Failure to include NPN is a basis for rejecting the registration filing.
Florida — NPN must be included in the FDACS filing. Florida actively investigates sweepstakes complaints and has a history of enforcement actions.

For a complete state-by-state breakdown, see our state registration requirements guide.

How Comprizant Handles NPN Compliance

Comprizant builds NPN compliance into every sweepstakes from the start. When you configure a purchase-required promotion (receipt upload, code entry), the platform automatically generates AMOE instructions and includes them in your official rules. The compliance engine verifies that free and paid entry methods provide equal chances of winning and access to the same prize pools.

Beyond rules generation, Comprizant produces print-ready mail-in entry cards with pre-formatted instructions, provides disclosure placement reminders for all promotional materials (not just the official rules), and tracks mail-in AMOE entries alongside digital entries in a single dashboard.

Key Takeaways

NPN is non-negotiable. Every sweepstakes must offer a genuinely free way to enter with equal chances of winning.
"Consideration" goes beyond money. Mandatory social actions, app downloads, excessive effort, and account creation can all constitute consideration.
The AMOE must be equally accessible and not materially more burdensome than paid entry methods.
Disclose everywhere. The NPN statement and AMOE instructions must appear in official rules, on promotional materials, on entry pages, and on product packaging.
Process AMOE entries fairly. Same timeline, same odds, same prize pools as purchase entries.
When in doubt, add a mail-in AMOE. Don't overthink this. A mail-in AMOE costs nothing to set up and eliminates the legal risk.

For more on designing compliant entry methods, read our AMOE deep dive guide. For the full compliance picture, see our Complete Guide to Sweepstakes Compliance.

Ready to run a purchase-linked promotion with built-in NPN compliance? Get started with Comprizant and let automation handle the details.