Educational Information Only
The content on this page is for general educational purposes and does not constitute legal advice. Every legal situation is unique. For matters involving investigation, arrest, litigation, or formal proceedings, consult a qualified legal professional.
Criminal Complaint to Inquiry Officer
Complaint filed with police (Inquiry Officer) initiating a criminal investigation. Foundation for both public and private prosecution paths.
When Used
After suffering a criminal offence.
Who Files
Victim (or family / interested party in limited circumstances).
Fee & Logistics
Free
Investigation phase: weeks to years
Police station at place of offence
Filing Method
- In-person at police station
- Online via thaipoliceonline.com for cyber-enabled offences
Required Documents
- Identification
- Evidence (documents, screenshots, photos)
- Witness contact details
Field-by-Field Walkthrough
Full name
(ชื่อเต็ม)Surname and given names as shown on passport / national ID.
Offence
Alleged offence (Penal Code section reference helpful).
Suspect details
If known.
Common Mistakes
- Not preserving original evidence — chain of custody matters
- Filing past prescription period (CPC §96 for compoundable offences: 3 months from knowing offender)
Legal Basis
Criminal Procedure Code B.E. 2477 (1934)
This walkthrough summarises the practical filing requirements for a Thai government form as a starting point. Fees, procedures, and required documents change without notice — always verify with the issuing authority before filing. Educational use only; not a substitute for advice from a Thai-qualified lawyer, accountant, or licensed visa agent.
Professional Legal Assistance
When a matter involves investigation, arrest, detention, litigation, or regulatory action, professional legal representation becomes essential.
Anglo Siam Legal provides experienced legal services across Thailand for both Thai nationals and foreigners.
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