Required documents for a foreigner marrying in Thailand. Sample statement containing affirmation of marital status stating the prospective wife or husband is single and free to marry issued and certified by the foreigner's embassy or consulate.
This is a sample document as issued by an embassy in Thailand and after it is witnessed and signed (made official) by your embassy it must be translated by a licensed translator into Thai and the affirmation of marriage must be legalized by the legalization division at the Ministry of Foreign Affairs in Bangkok.
Legalization Division , 3rd floor Department of Consular Affairs Ministry of Foreign Affairs 123 Chaeng Watthana Road Bangkok 10210