Bait Advertising Laws in Australia: What Businesses Must Know

Great marketing can grab attention, drive clicks, and bring people through your doors. But when a promotion overpromises and your stock or capacity can’t back it up, you may cross into unlawful “bait advertising”.

In Australia, the Australian Consumer Law (ACL) sets clear rules for how you advertise price and availability. If you promote a headline price without reasonable grounds for believing you can supply at that price in reasonable quantities for a reasonable period, you risk a breach - and the penalties can be significant.

In this guide, we’ll unpack what bait advertising is, how it shows up in real campaigns, what the law requires, and practical steps to keep your promotions compliant and trusted by your customers.

What Is Bait Advertising Under The ACL?

Bait advertising is specifically addressed in section 35 of the Australian Consumer Law. The law says you must not, in trade or commerce, advertise goods or services at a specified price if you do not have reasonable grounds for believing you can supply them at that price in reasonable quantities for a reasonable period, having regard to things like the nature of the market, the price, and the nature of the advertisement.

In plain English: it’s not about guaranteeing unlimited stock. It’s about whether you had reasonable grounds to believe your stock or capacity matched the promotion. If you advertise a sharp price without that reasonable basis, you risk breaching s35.

The same conduct can also breach other ACL provisions, including:

• section 18 (misleading or deceptive conduct), which is a broad, catch‑all prohibition against conduct that misleads consumers.
• section 29 (false or misleading representations), which specifically prohibits false statements about price, availability, characteristics, or benefits.

There are also related rules about advertised price laws - for example, how you present headline prices, surcharges, and any mandatory fees. These issues often appear together in the same campaign, so it’s smart to consider them as a package.

Why Bait Advertising Is A Big Risk For Businesses

Trust is everything in sales. If a customer takes time to visit your store or clicks through an ad only to discover the advertised offer isn’t genuinely available, you risk complaints, regulator attention, and long‑lasting reputational damage.

Consequences can include:

• Investigations by the ACCC or your state/territory fair trading body, followed by court action.
• Declarations, injunctions, corrective notices, compliance programs, and consumer redress orders.
• Substantial civil penalties. Following 2022 increases, maximum penalties for most ACL civil penalty breaches are:
  • For corporations: the greater of $50 million, three times the value of the benefit obtained, or 30% of adjusted turnover during the breach period (minimum 12 months).
  • For individuals: up to $2.5 million.
• Reputational harm that can outlast the campaign and erode customer loyalty.

Even where penalties aren’t imposed, the cost of investigating complaints, managing social backlash, and putting out fires can far exceed any short‑term uplift from a “doorbuster” headline.

How Bait Advertising Shows Up In Practice

A typical risk scenario

Imagine you advertise a laptop for $200 - well under market - and only have one unit in stock. The ad is promoted across social channels with a wide reach. People arrive, but the laptop is gone. Staff then attempt to sell a different, higher‑priced model. Without reasonable grounds to believe you could supply the advertised product in reasonable quantities for a reasonable period, this is likely to contravene s35. It may also mislead customers under s18 and s29.

Common patterns

• Headlining a sharp price where stock is very limited, without prominently disclosing that limitation.
• Promoting discounted services (e.g. salon appointments or classes) without the staffing or capacity to perform during the offer period.
• “Loss leader” items used primarily to upsell customers to higher‑priced products once they’ve engaged.
• Online ads that state a price, but availability is effectively illusory (e.g. cart errors or immediate “out of stock” after click‑through).

None of these practices are automatically unlawful. The key question remains: did you have reasonable grounds for believing you could supply at the advertised price, in reasonable quantities, for a reasonable period - and were any genuine limits clearly and prominently disclosed?

What The Law Expects: Reasonable Grounds, Clear Limits, No “Switch”

Under the ACL, your marketing needs to match your ability to supply. The following principles help you meet the legal test in day‑to‑day campaigns.

1) Have reasonable grounds for supply

• Base your promotion on data. Consider prior demand, seasonality, the reach and appeal of the ad, and the sharpness of the price.
• Line up stock (or capacity for services) to cover the expected demand across the promotion window.
• Document your planning - forecasts, purchase orders, supplier confirmations, and campaign briefs all help demonstrate your reasonable grounds.

2) Disclose genuine limits clearly and prominently

• If stock is genuinely limited, say so upfront, not in fine print. For example: “Only 25 units available at this price - while stocks last.”
• “Prominent” means it’s hard to miss in the ad itself - not tucked away in a link or buried under graphics.
• Where a limitation is material to the consumer’s decision (e.g. store‑specific, time‑limited, or per‑customer caps), ensure it’s immediately obvious.

3) Define the promotion window

• State start and end dates (or “until sold out”) and make sure your supply and staffing align with that period.
• Be consistent across channels - the dates on your landing page should match your paid ads, social posts, and any in‑store posters.

4) Avoid bait‑and‑switch tactics

• Don’t use a sharply priced product merely to draw customers in and then steer them to a different, higher‑priced offer.
• If the advertised item sells out despite reasonable planning, consider fair approaches like genuine equivalents at the same price or offering a raincheck where feasible.

5) Train your team

• Brief staff on the offer’s terms, stock position, and what to do if items sell out.
• Scripts that pressure customers to “upgrade” when the deal is unavailable can aggravate risk under s18 and s29.

6) Keep evidence and act quickly if things change

• Retain campaign materials, stock plans, purchase orders, supplier communications, and customer notices.
• If unforeseen events cut supply (e.g. shipping delays), act fast - update ads, place notices on product pages, and offer fair remedies to affected customers.

Finally, remember that price presentation matters too. When you run discounts or display pricing online, make sure your approach lines up with Australia’s advertised price laws - including how surcharges and mandatory fees are shown.

Documents And Processes That Support Compliance

You don’t always need a large suite of documents, but having the right setup makes compliant campaigns much easier to run - and to evidence if something goes wrong.

• Website Terms and Conditions: Set the rules for using your site, how promotions work online, availability statements, and what happens if errors occur.
• Terms of Trade (or Terms of Sale): Clarify pricing, delivery or performance, cancellations, and what occurs on sell‑outs or substitutions.
• Warranties Against Defects Policy: Aligns your warranty statements with the ACL and helps ensure your marketing doesn’t overstate or understate legal rights.
• Privacy Policy: If you collect customer data during promotions (e.g. email sign‑ups, competition entries), this sets out how you handle personal information and supports compliance with the Privacy Act.
• Internal marketing checklist: A simple sign‑off checklist to vet offers for s35 (bait advertising), s18 (misleading conduct), s29 (false representations), and pricing display issues before launch.
• Staff training and workplace policies: Clear procedures for handling sell‑outs, customer complaints, and escalations help reduce risk in the moment.

For online campaigns, it’s also helpful to ensure your e‑commerce templates, banners, and landing pages include pre‑approved slots for prominent disclosures (like stock caps or promotion windows) so compliance isn’t left to the last minute.

Practical FAQs: Reasonableness, Disclaimers And Who’s Covered

Does bait advertising law only apply to retailers?

No. Section 35 applies to any person advertising goods or services in trade or commerce. That includes e‑commerce stores, marketplaces, gyms and salons, hospitality, and professional services. If you market to consumers, the ACL is in play.

What do “reasonable quantities” and “reasonable period” actually mean?

There’s no fixed number. It’s assessed objectively based on the product or service, the market, the strength of your price, and the reach and style of the advertisement. If your promotion is likely to trigger unusually high demand, your stock and resourcing should reflect that - or you should clearly disclose genuine limits.

Are disclaimers or fine print enough?

Fine print rarely saves a non‑compliant promotion. Material limits should be clear and prominent - in the headline artwork or first lines of copy where customers can’t miss them. A long block of footnotes won’t fix a headline that overpromises.

What if an unexpected supply chain issue hits mid‑campaign?

The test is about your reasonable grounds at the time of advertising. If you planned reasonably, and unforeseen events cause a shortfall, act quickly and fairly: update ads, notify customers, and consider appropriate remedies. Keep records showing the steps you took.

How do sections 18 and 29 come into this?

Even if you manage stock reasonably, your campaign can still breach the ACL if it misleads consumers overall (s18) or makes false or misleading representations (s29) about price, savings, or availability. It’s best to assess offers holistically for both bait advertising risk and broader misleading conduct issues under section 18.

How To Build Compliant, Trust‑Building Promotions

Plan supply and capacity like a project

• Forecast demand using prior sales, seasonality, and the channels you’ll use (TV, social, email).
• Match your inventory and staffing to the forecast (or narrow the audience or duration to match your supply).
• Line up contingency stock or appointment slots where feasible.

Design “clear and prominent” disclosures into the ad

• Include stock caps, store/region limits, and dates in the main creative or top copy.
• Use simple language customers understand at a glance.
• Ensure consistency across all placements - paid ads, landing pages, and in‑store posters.

Manage sell‑outs fairly

• Offer genuine equivalents at the advertised price or consider rainchecks where practical.
• Update signage and product pages quickly so customers aren’t misled by outdated messaging.
• Empower frontline staff with clear options to resolve complaints on the spot.

Set your foundations before you scale

• Use robust Website Terms and Conditions and customer‑facing Terms of Trade to explain how promotions work and how availability is handled.
• Align any warranty or guarantee statements with your Warranties Against Defects Policy so you don’t overpromise in marketing.
• Secure your customer data with a clear Privacy Policy if you’re collecting information through campaigns.

Keep a clean audit trail

• Save ad briefs, creative versions, audience targeting details, and sign‑offs.
• Retain stock records, purchase orders, staffing rosters, and supplier correspondence.
• Document any mid‑campaign decisions (e.g. pulling an ad, updating a landing page, or adding a notice).

If your promotions are complex or you’re planning a high‑profile sale, it’s worth having your legal team review the plan against s35 and your broader ACL obligations - including the rules on pricing presentation and misleading conduct.

Key Takeaways

• Bait advertising (ACL s35) prohibits advertising a price when you don’t have reasonable grounds for believing you can supply in reasonable quantities for a reasonable period at that price.
• It’s not enough to rely on fine print - any genuine limits must be clearly and prominently disclosed in the ad itself.
• Penalties for ACL breaches are substantial, and the reputational fallout can be worse than the fine - plan promotions conservatively and document your reasoning.
• Assess campaigns holistically for risks under s35, section 18 (misleading conduct) and section 29 (false representations).
• Strong foundations - clear Website Terms and Conditions, fair Terms of Trade, aligned warranty statements, and a visible Privacy Policy - support both compliance and customer trust.
• Train staff, keep good records, and act quickly and fairly if unforeseen events affect availability during a promotion.

If you’d like a consultation about advertising compliance and the ACL, call 1800 730 617 or email team@sprintlaw.com.au for a free, no‑obligations chat.