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What you need to know about competitions on SoMe

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Legal news
calendar 26 March 2025
globus Denmark

Competitions on social media are a popular marketing tool – but if not handled correctly, they can lead to legal issues. Here's an overview of the key pitfalls companies should be aware of when running competitions on social media platforms.

Competitions that encourage users to tag friends or share posts may breach the Danish Marketing Practices Act. According to the Consumer Ombudsman, such actions can constitute unsolicited marketing – in other words, spam – because marketing messages require prior consent. When users are tagged, the resulting notification may be considered an unlawful marketing communication.

How to comply with the rules for SoMe competitions

  • No tagging or sharing requirements
    Do not require participants to tag others or share content to enter. This is considered unsolicited marketing and violates the spam ban.
  • Valid consent must be informed, specific, and voluntary
    If you collect marketing consent through the competition, ensure participants know who is collecting it, what it will be used for, and that it can be withdrawn at any time.
  • Active consent – no pre-ticked boxes
    Make sure to use unticked checkboxes – pre-selected options are not valid consent.
  • Provide clear and visible competition terms
    Clearly state the competition period, the prize, and how the winner will be chosen and contacted.
  • Always consider data protection and proper marketing practices

IUNO's opinion

Social media competitions can be highly effective, but many companies unknowingly breach key rules. Tagging or sharing requirements may violate the spam ban, and participation must not be conditional on providing marketing consent.

Competitions that encourage users to tag friends or share posts may breach the Danish Marketing Practices Act. According to the Consumer Ombudsman, such actions can constitute unsolicited marketing – in other words, spam – because marketing messages require prior consent. When users are tagged, the resulting notification may be considered an unlawful marketing communication.

How to comply with the rules for SoMe competitions

  • No tagging or sharing requirements
    Do not require participants to tag others or share content to enter. This is considered unsolicited marketing and violates the spam ban.
  • Valid consent must be informed, specific, and voluntary
    If you collect marketing consent through the competition, ensure participants know who is collecting it, what it will be used for, and that it can be withdrawn at any time.
  • Active consent – no pre-ticked boxes
    Make sure to use unticked checkboxes – pre-selected options are not valid consent.
  • Provide clear and visible competition terms
    Clearly state the competition period, the prize, and how the winner will be chosen and contacted.
  • Always consider data protection and proper marketing practices

IUNO's opinion

Social media competitions can be highly effective, but many companies unknowingly breach key rules. Tagging or sharing requirements may violate the spam ban, and participation must not be conditional on providing marketing consent.

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Aage

Krogh

Partner

Matilde

Grønlund Jakobsen

Senior Associate

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The team

Aage

Krogh

Partner

Aurora

Maria Thunes Truyen

Associate

Frida

Assarson

Associate

Josephine

Gerner Amaloo

Legal assistant

Karoline

Skak Kristensen

Legal assistant

Matilde

Grønlund Jakobsen

Senior Associate