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Consumer Protection in Contracts

FAQs Relating to Consumer Protection in Contracts

Consumer protection contracts in Thailand are governed by laws designed to ensure fairness between consumers and business operators. These regulations control standard contract terms, prohibit unfair provisions, and grant consumers the right to receive clear and reasonable agreements. Understanding your rights under Thai consumer protection laws can help you avoid unfair contract conditions and take appropriate action when disputes arise.

What is a contract?

A contract is a voluntary and binding agreement between two or more persons or parties that is intended to be enforceable by law.

What should be considered when making a contract?

When entering into a contract, the following principles should be observed:

  • The objective of the contract should be clearly specified.
  • The names and addresses of the parties must be accurate.
  • The parties must have legal capacity to enter into a contract. Minors require consent from a guardian. In certain cases, a married person may require spousal consent.
  • The form of the contract must be lawful.
  • Damages for breach of contract should be specified.
  • The contract should indicate which party is responsible for taxes and fees.
  • Both parties should sign the contract.
  • Witnesses are recommended where appropriate.

What are unfair contract terms?

Unfair contract terms are provisions that place consumers at a disadvantage compared to business operators. These commonly appear in pre-prepared standard contracts drafted by businesses.

The Consumer Protection Act (2nd Amendment), B.E. 2541 (1998) introduced the right to receive a fair contract, allowing authorities to regulate certain businesses and require consumer-friendly terms.

Which businesses are considered controlled contract businesses?

Certain businesses in Thailand are classified as controlled contract businesses, meaning they must use contract terms that protect consumer rights. Examples include:


Credit Card Business

Contracts must provide rights to consumers, including the right to terminate the contract and the right to notify suspension of card usage without liability for unauthorized transactions occurring after notice.


Mobile Network Service Providers

Consumers have the right to request service records, particularly when verifying unusual charges.


Consumer Loan Business by Financial Institutions

Contracts must clearly state interest rates, changes to interest rates, penalties for breach, and guarantee requirements. Consumers must receive complete information.


Car and Motorcycle Hire-Purchase Business

Contracts must include total payment amounts, hire-purchase registration timelines, and interest discounts for early settlement.


Electrical Appliance Hire-Purchase Business

Contracts must include termination procedures, written notice requirements, and early settlement discounts.


Condominium Selling Business

Contracts must specify construction completion timelines and registration obligations. If the developer fails to complete construction, payments must be refunded with interest.

What rights do consumers have under controlled contracts?

Depending on the type of business, consumers may have rights such as:

  • The right to terminate the contract
  • The right to receive detailed contract information
  • The right to request service records
  • The right to early settlement discounts
  • The right to refunds with interest in certain situations
  • The right to clear disclosure of interest rates and penalties

What are the penalties for unfair contract practices?

A business operator who fails to provide legally required contract terms or does not issue proper receipts may face:

  • Imprisonment of up to 1 year, or
  • A fine of 500 to 10,000 Baht, or
  • Both imprisonment and fine

Where can consumers file complaints?

Consumers who believe they have been treated unfairly may contact:

  • Office of the Consumer Protection Board (Hotline 1166)
  • Provincial Consumer Protection Sub-Committees at city halls
  • District offices nationwide

Concerned About Unfair Contract Terms?

Do not sign a contract that may put you at a disadvantage. Let our legal team review your agreement and protect your rights before you commit. Contact us now for legal guidance.

Legal Disclaimer:
This content is provided for general informational purposes only and does not constitute legal advice. Laws and regulations may change, and each case depends on its specific facts. For advice tailored to your situation, please consult a qualified legal professional.

This FAQs Relating to Consumer Protection in Contracts has been updated, reviewed, and verified on March 2026 by:
Picture of Jira Chaisiri (Attorney-At-Law and Adviser)
Jira Chaisiri (Attorney-At-Law and Adviser)

Licensed Attorney-At-Law, The Lawyers Council of Thailand
He has over 40 years of legal practice in financial institutions and constitutional public agencies.