Affiliate Marketing Legal Requirements in Singapore

Affiliate marketing has become a significant revenue channel for Singapore businesses in 2026. From e-commerce brands partnering with content creators to SaaS companies running referral programmes, the model is straightforward — pay a commission for referred sales. However, the legal framework surrounding affiliate marketing in Singapore is anything but simple. Businesses that ignore their obligations risk fines, reputational damage, and programme shutdowns.

Singapore does not have a single, dedicated affiliate marketing law. Instead, affiliate activities fall under several overlapping regulations — the Personal Data Protection Act (PDPA), the Consumer Protection (Fair Trading) Act (CPFTA), the Advertising Standards Authority of Singapore (ASAS) guidelines, and the Inland Revenue Authority of Singapore (IRAS) tax rules. Understanding how these laws apply to your affiliate programme is essential for any business operating in this space.

This guide breaks down the key legal requirements for affiliate marketing in Singapore in 2026, with practical steps to ensure your programme operates within the law. Whether you are a merchant running an affiliate programme or a publisher promoting products, the obligations outlined here apply to you.

Disclosure Obligations for Affiliates

The most fundamental legal requirement in affiliate marketing is disclosure. When a content creator, blogger, or website owner receives compensation — whether a commission, free product, or any other benefit — for promoting a product or service, that relationship must be clearly disclosed to the audience. In Singapore, this obligation is grounded in the ASAS Singapore Code of Advertising Practice and the CPFTA’s provisions against misleading claims.

Effective disclosure in 2026 requires the following:

  • Clear and prominent placement: The disclosure must appear before or alongside the affiliate link, not buried in a footer or separate disclosure page. Phrases such as “This post contains affiliate links” or “I earn a commission if you purchase through this link” are acceptable.
  • Unambiguous language: Vague terms like “thanks to our partners” are insufficient. The audience must understand that a financial relationship exists and that the recommendation is commercially motivated.
  • Platform-appropriate formatting: On social media, disclosures must be visible without clicking “read more.” On YouTube, verbal disclosure at the start of a video plus a written notice in the description is best practice. On blogs, a clear statement near the top of the article is required.
  • Consistency across all content: Every piece of content containing affiliate links must include a disclosure — not just the first post in a series. This applies to Instagram Stories, TikTok videos, email newsletters, and podcast episodes.

Merchants running affiliate programmes should include disclosure requirements in their programme terms and actively monitor compliance. If your affiliates fail to disclose, the liability can extend to your business. Our content marketing services team can help you develop compliant affiliate content guidelines.

PDPA Compliance for Affiliate Data

Affiliate marketing involves the collection, use, and transfer of personal data at multiple stages — tracking cookies, referral codes, customer purchase information, and affiliate payment details. All of this falls squarely under Singapore’s Personal Data Protection Act 2012 (PDPA), as amended.

Key PDPA obligations for affiliate programmes include:

  • Consent for data collection: If your affiliate tracking uses cookies or other identifiers that collect personal data, you must obtain consent from the end user. This means clear cookie consent banners that explain what data is being collected and for what purpose.
  • Purpose limitation: Personal data collected through affiliate tracking can only be used for the stated purpose — typically, attributing sales and calculating commissions. Using this data for unrelated marketing without additional consent violates the PDPA.
  • Data sharing with affiliates: Merchants must be careful about what customer data they share with affiliates. Sharing customer names, email addresses, or purchase details with affiliates without customer consent is a PDPA violation. Commission reports should be anonymised or aggregated wherever possible.
  • Data Protection Officer (DPO): Any organisation processing personal data through an affiliate programme must designate a DPO as required under the PDPA. This individual is responsible for ensuring the programme’s data practices comply with the law.
  • Cross-border transfers: If you use an international affiliate network, personal data may be transferred outside Singapore. The PDPA requires that you ensure the receiving country provides comparable protection, or that you obtain consent for the transfer.

Non-compliance with the PDPA can result in financial penalties of up to SGD 1 million or 10 per cent of annual turnover, whichever is higher. For businesses managing affiliate data alongside broader marketing operations, our digital marketing services include data governance frameworks aligned with PDPA requirements.

Tax Implications for Affiliate Income

Affiliate income is taxable in Singapore, regardless of whether it is earned by an individual, sole proprietor, or company. IRAS treats affiliate commissions as assessable income, and failure to declare it constitutes a tax offence under the Income Tax Act 1947.

For affiliates earning commissions:

  • Individual affiliates: Commissions are declared as trade income on your personal tax return. If your affiliate activities are regular and systematic, IRAS may classify you as carrying on a trade or business, which requires registration under the Business Names Registration Act 2014.
  • GST registration: If your affiliate income exceeds SGD 1 million in a 12-month period, you are required to register for Goods and Services Tax (GST). Even below this threshold, voluntary registration may be beneficial for claiming input tax credits.
  • Record-keeping: IRAS requires you to maintain records of all affiliate income and related expenses for at least five years. This includes commission statements, payment records, and documentation of deductible expenses such as hosting, software, and advertising costs.

For merchants paying affiliate commissions:

  • Withholding tax: Payments to non-resident affiliates may be subject to withholding tax under the Income Tax Act. The standard rate is 15 per cent for technical service fees, though this varies depending on the nature of the payment and applicable tax treaties.
  • Deductibility: Affiliate commissions are generally deductible as business expenses provided they are incurred in the production of income. Proper documentation — affiliate agreements, commission reports, payment records — is essential to support the deduction.

Programme Terms and Conditions

A legally robust affiliate programme requires comprehensive terms and conditions that protect both the merchant and the affiliates. In Singapore, these terms function as a legally binding contract and should be drafted with reference to the Electronic Transactions Act 2010 and general contract law principles.

Essential elements of affiliate programme terms include:

  • Commission structure and payment terms: Clearly define the commission rate, payment frequency, minimum payout thresholds, and the conditions under which commissions may be reversed (e.g., returns, chargebacks, fraud).
  • Prohibited marketing methods: Specify what affiliates cannot do — spam, misleading claims, cookie stuffing, trademark bidding on paid search, or any activity that violates Singapore law.
  • Intellectual property usage: Define how affiliates may use your brand name, logo, product images, and marketing materials. Include restrictions on modification and requirements for prior approval of certain content.
  • Termination provisions: Include clear grounds for termination, the notice period required, and what happens to unpaid commissions upon termination. Ensure the terms allow you to terminate immediately for serious breaches such as fraud or legal violations.
  • Indemnification clauses: Require affiliates to indemnify you against losses arising from their breach of the programme terms, applicable laws, or third-party rights.
  • Governing law and dispute resolution: Specify that Singapore law governs the agreement and establish the dispute resolution mechanism — whether arbitration at the Singapore International Arbitration Centre or the Singapore courts.

If your affiliate programme operates across multiple markets, your terms must account for the different legal requirements in each jurisdiction. A well-designed website with clearly accessible programme terms and a proper sign-up process helps establish a solid legal foundation.

ASAS and FTC-Style Advertising Guidelines

The Advertising Standards Authority of Singapore (ASAS) administers the Singapore Code of Advertising Practice (SCAP), which applies to all forms of advertising — including affiliate marketing content. While ASAS operates through a self-regulatory framework rather than statutory enforcement, non-compliance can result in complaints to the Consumers Association of Singapore (CASE) and referral to the relevant authorities.

Key SCAP requirements relevant to affiliate marketing:

  • Truthfulness: All claims made in affiliate content must be truthful and substantiated. Affiliates cannot make claims about a product’s performance, effectiveness, or qualities that are exaggerated or unverifiable.
  • Identification as advertising: Content that is commercial in nature must be clearly identifiable as advertising. This reinforces the disclosure obligation — affiliate content must not be disguised as independent editorial content or unbiased reviews.
  • Comparative advertising: If affiliates compare products, the comparisons must be fair, factual, and substantiated. Cherry-picking favourable comparison points while ignoring unfavourable ones can constitute misleading advertising.
  • Health and safety claims: Affiliate content promoting health products, supplements, or medical devices is subject to additional scrutiny under the Medicines Act 1975 and the Health Sciences Authority (HSA) regulations. Making unauthorised therapeutic claims is a criminal offence.

Singapore does not have a direct equivalent of the United States Federal Trade Commission (FTC) endorsement guidelines, but the combination of ASAS, CPFTA, and PDPA obligations achieves a similar effect. Businesses should treat the FTC guidelines as best practice benchmarks and incorporate their principles into affiliate programme compliance. For guidance on aligning your marketing communications with these standards, explore our social media marketing services.

Platform-Specific Rules and Restrictions

Beyond Singapore’s legal framework, affiliate marketers must comply with the terms of service of the platforms they use. Major platforms have their own rules governing affiliate content, and violations can result in account suspension, content removal, or permanent bans.

  • Google: Google’s advertising policies restrict certain affiliate practices in Google Ads campaigns, including thin affiliate content, bridge pages, and misleading ad copy. Google Search also penalises websites with low-quality affiliate content that adds no original value. If you run Google Ads campaigns alongside your affiliate programme, ensure your landing pages provide substantial original content.
  • Meta (Facebook and Instagram): Meta requires disclosure of paid partnerships through its branded content tools. Affiliate links in ads must comply with Meta’s advertising policies, and certain product categories — financial services, alcohol, health products — have additional restrictions.
  • TikTok: TikTok’s creator marketplace and affiliate programme have specific rules about disclosure, prohibited products, and content standards. Affiliates must use the platform’s built-in disclosure tools where available.
  • Amazon Associates: Amazon’s affiliate programme has strict terms about how links can be shared, where prices can be displayed, and what claims can be made. Violations frequently result in account termination and forfeiture of unpaid commissions.
  • Shopee and Lazada: Southeast Asian e-commerce platforms have their own affiliate programmes with platform-specific rules about promotional methods, discount stacking, and content requirements.

Staying compliant across multiple platforms requires systematic monitoring and regular updates to your affiliate guidelines as platform policies change.

Enforcement and Penalties

Enforcement of affiliate marketing laws in Singapore comes from multiple regulatory bodies, each with its own jurisdiction and penalty framework.

The Personal Data Protection Commission (PDPC) enforces the PDPA and can impose financial penalties of up to SGD 1 million or 10 per cent of annual turnover for data protection breaches related to affiliate tracking and data sharing. The Commission has become increasingly active in investigating digital marketing practices, and affiliate programmes that fail to obtain proper consent or that share customer data without authorisation are at risk.

The Competition and Consumer Commission of Singapore (CCCS) enforces the CPFTA, which prohibits unfair practices including misleading advertising. If affiliates make false or misleading claims about products, both the affiliate and the merchant may face action. Consumers can also take private action under the CPFTA for compensation.

IRAS enforces tax compliance and can impose penalties of up to 200 per cent of the tax undercharged for failure to declare affiliate income. In serious cases, tax evasion can result in prosecution and imprisonment.

The practical approach for businesses is to build compliance into the programme from the start rather than retrofitting it after a problem arises. Regular audits of affiliate content, clear programme terms, and ongoing training for affiliates are essential. Our email marketing services team understands the intersection of promotional compliance and effective marketing — reach out for a consultation.

Frequently Asked Questions

Do I need to register a business to earn affiliate income in Singapore?

If your affiliate marketing activities are regular and systematic — as opposed to a one-off referral — IRAS and the Accounting and Corporate Regulatory Authority (ACRA) may consider you to be carrying on a business. Under the Business Names Registration Act 2014, you would need to register your business name. Even if your activities are small-scale, you must declare the income on your tax return.

What happens if my affiliate does not disclose the commercial relationship?

As the merchant, you share responsibility for ensuring compliance. Under the CPFTA, consumers who are misled by non-disclosed affiliate promotions can take action against the business whose products were promoted. You should include mandatory disclosure requirements in your affiliate terms, provide templates or guidance, and actively monitor affiliate content for compliance.

Is affiliate marketing data subject to PDPA even if I use a third-party network?

Yes. The PDPA applies to any organisation that collects, uses, or discloses personal data in Singapore, regardless of whether a third-party affiliate network processes the data on your behalf. You remain responsible for ensuring the network’s data practices comply with the PDPA, and you should have a data processing agreement in place with the network.

Can I run affiliate ads on Google without violating their policies?

Yes, but your landing pages must provide substantial original content and genuine value to users. Google penalises thin affiliate sites — pages that exist solely to redirect users to a merchant’s site without adding reviews, comparisons, or other original information. Your ad copy must also accurately represent what users will find on the landing page.

Are there specific industries where affiliate marketing is restricted in Singapore?

Yes. Financial products and services are regulated by the Monetary Authority of Singapore (MAS), and affiliate promotions for investment products, insurance, or loans must comply with MAS advertising guidelines. Health products and supplements are regulated by the Health Sciences Authority (HSA), and affiliates cannot make unauthorised therapeutic claims. Alcohol, tobacco, and gambling-related affiliate programmes face additional restrictions under their respective regulatory frameworks.

How should I handle affiliate commissions for GST purposes?

Affiliate commissions are treated as payment for a service. If you are GST-registered, you must charge GST on commissions earned from Singapore-based merchants. For commissions from overseas merchants, the zero-rating provisions for exported services may apply, but you should consult a tax adviser to confirm. Merchants paying commissions to GST-registered affiliates should ensure they receive a valid tax invoice to claim input tax credits.