Diplomatic Visa (D / F)

• Purpose
  (1) assumption of duty at respective diplomatic representation in Thailand (category "D"), or
  (2) a temporary entry into Thailand to perform diplomatic, consular, or official duties (category "F")
• Validity single entry or multiple entries for 3 or 6 months 
• Period of Stay Not exceeding 90 days 
• Fee No visa processing fee
• Requirements
• Posted in Thailand
  (1) Biodata page of Passport or Travel Document
  (2) Photograph taken within the last six months
  (3) Document indicating current location
  (4) Note verbale from sending State and international organization specifying posting details
• On diplomatic mission(1) Biodata page of Passport or Travel Document
  (2) Photograph taken within the last six months
  (3) Document indicating current location
  (4) Note verbale from sending State and international organization or invitation letter
• Non Posting UN mission
  (1) Biodata page of Passport or Travel Document
  (2) Photograph taken within the last six months
  (3) Document indicating current location
  (4) Note verbale from sending State and international organization or invitation letter

Official Visa (F)

• Purpose A temporary entry into Thailand to perform official duties
• Validity Single entry or multiple entries for 3 or 6 months 
• Period of Stay Not exceeding 90 days
• Fee No visa processing fee
• Requirements
  (1) Biodata page of Passport or Travel Document
  (2) Photograph taken within the last six months
  (3) Document indicating current location
  (4) Note verbale from sending State and international organization or invitation letter

Courtesy Visa (CY)

• Purpose  
  (1) Other purposes apart from diplomatic or official duties for the holders of diplomatic or official passport, or a UN passport equivalent to a diplomatic or official passport, or
  (2) Holders of ordinary passport or travel document who enter Thailand as a royal visitor, guest of government or government agency
• Validity 30 days with single entry or 90 days with multiple entries 
• Period of Stay Not exceeding 90 days
• Fee No visa processing fee
• Requirements
• Invited by the Royal Thai Government
  (1) Biodata page of Passport or Travel Document
  (2) Photograph taken within the last six months
  (3) Document indicating current location
  (4) Note verbale from sending State and international organization or invitation letter
• Other purposes
  (1) Biodata page of Passport or Travel Document
  (2) Photograph taken within the last six months
  (3) Document indicating current location
  (4) Note verbale from sending State and international organization or invitation letter

For proper version of applicant's frontal face photo to be attached in the visa document, kindly refer to the ICAO's standard as follows: 

Photograph Quality

The photographs must be:

• taken within the last 6 months
• in colour (not black and white);
• 4.5cm high x 3.5 cm wide
• with the subject facing forward, looking straight at the camera
• in sharp focus and clear
• of high quality with no ink marks or creases
• printed professionally or taken in a passport photo booth
• of each person of their own;
• with a neutral expression with the mouth closed;
• taken with the eyes open and clearly visible (with no sunglasses or tinted spectacles / the frames of spectacles must not cover the eyes);
• taken with nothing covering the face;
• taken of the full head, without any covering unless worn for religious or medical reasons.

Head covering are not permitted except for religious reasons, but your facial features from bottom of your chin to top of the forehead and both edges of your face must be clearly shown.

Expression and frame

Your photograph must show you alone (no chair backs, toys or other people visible), looking at the camera with a neutral expression and your mouth closed.