Penal Code

Section 321/1: Ignorance of the child's age is no defence

Amended by Act No. 23 B.E. 2558, in force 14 February 2015

Statutory text (Thai original)

การกระทำความผิดตามมาตรา ๓๑๒ ตรี วรรคสอง และมาตรา ๓๑๗ หากเป็นการกระทำต่อเด็กอายุไม่เกินสิบสามปี ห้ามอ้างความไม่รู้อายุของเด็กเพื่อให้พ้นจากความผิดนั้น

English translation

Where an offence under Section 312 ter paragraph two or Section 317 is committed against a child not over thirteen years of age, ignorance of the child's age may not be pleaded in order to escape liability for that offence.

ThaiLawOnline translation, written from the Thai original and verified

Cited in 2 Supreme Court decisions (2019 to 2019)

Selected citing decisions

  • Decision 7477/2562 (2019)
  • Decision 4385/2562 (2019)

This list is selected automatically, weighted towards judgments that turn on this section rather than ones that merely recite it when passing sentence. It has not yet been reviewed by the firm.

Counted across the firm's corpus of 83,652 Supreme Court decisions, 1921 to 2026. The count is complete; the stated year range trims rare outliers so it describes where the citations actually sit. These figures are computed by us and are not official court statistics. How we count these, and what we measured

Cite this section

  • Plain citation Penal Code, s. 321/1 (Thailand)
  • Academic citation Penal Code (Thailand), s. 321/1. ThaiLawOnline, https://www.thailawonline.com/thai-penal-code/section-321-1/ (accessed 8 August 2026).
  • Thai citation ป.อ. มาตรา 321/1
  • Permalink https://www.thailawonline.com/thai-penal-code/section-321-1/
  • Embed on your site <blockquote cite="https://www.thailawonline.com/thai-penal-code/section-321-1/"><p>Where an offence under Section 312 ter paragraph two or Section 317 is committed against a child not over thirteen years of age, ignorance of the child's age may not be pleaded in order to escape liability for that offence.</p><footer>Penal Code, s. 321/1 (Thailand) — <a href="https://www.thailawonline.com/thai-penal-code/section-321-1/">ThaiLawOnline</a></footer></blockquote>

The Thai text is authoritative. The English is an unofficial translation by ThaiLawOnline, free to reuse with attribution.

This is educational reference, not legal advice. Consult a qualified Thai lawyer before relying on any provision.

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