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Sample INVITATION LETTER FOR IMMIGRATION: Affidavit of Support with Undertaking | The Poor Traveler Itinerary Blog
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Is a letter of invitation OK to use as "evidence of long-stay accommodation" for STV visa application? : r/ThailandTourism
Non-immigrant O Visa (for spouse and children under the age of 20 of foreigner legally working in Thailand) ※Required document
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