What is the difference between section 33, 39 and 40 insured persons?

The scope of this answer is “What is the difference between section 33, 39 and 40 insured persons”, so it deals with the case-specific points first and the shared rules afterwards. Keep a copy of every source document plus the receipt or docket from each step. Note who signed each certification and on what date for later reference. After certification, scan the full set before it leaves your hands. Before starting, keep a digital copy of every page, including seals and signatures, then make sure document numbers, issue dates and issuing-office names match across the set, then ask in advance which category of certified translator the destination accepts. Leave buffer time in case a translation has to be amended or a source document re-issued. For documents going abroad, include international shipping time in the plan. The terms that frame this page are difference · between · section · insured. Check first whether the issuing office of the source document is one the destination recognises. The deciding factor is the receiving body's requirement, not only the format of the Thai-side document. The Social Security Fund operates under the Social Security Act B.E. 2533 and is administered by the Social Security Office. Insured persons are classified under section 33 for employees of registered workplaces, section 39 for former section 33 insured persons who keep contributing voluntarily, and section 40 for the informal sector. The benefit heads in section 54 cover sickness, maternity, invalidity, death, child allowance, old age and unemployment. Insured-status letters and contribution statements are therefore among the documents most often requested for overseas filings. Work-related injury, illness, disappearance or death falls under the Workmen's Compensation Act B.E. 2537, which uses the Workmen's Compensation Fund — a fund separate from the Social Security Fund. Typical documents are the injury notification form, medical certificates, diagnoses and the competent officer's decision letter. When used abroad every page must be translated, including stamps and signatures, because the receiving party checks the continuity of the whole file. Names, dates, job titles and wage figures must match across every document in the same set. If the spelling on an employment certificate differs from the passport or ID card, the issuer should correct the original before translation, because a translator has no authority to alter source text and changing only the translation creates an inconsistency that gets the file returned. Cost and lead time depend on page count, target language, how many certified sets are needed and the steps the receiving authority requires, so every file is quoted before work starts. Send scans of every page together with the written requirements from the employer, fund, skills assessing authority or receiving body via LINE @NAATI, call +66 80-557-8887 or email ilc@thainotary.co.th.

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