Title: Vehicle registration plates of Turkey
Content: in front and the other in rear except motorcycles and tractors. The serial letters use the Turkish letters except Ç, Ş, İ, Ö, Ü and Ğ. The blue stripe was introduced after the entry of Turkey to the European Customs Union in 1995, in accordance to compliance to EU laws. Since then, the blue stripe area is often modified by car owners (even by some parliament members like Devlet Bahçeli). The predominant modification of this sorts is to replace the blue color with red crescent and the star of the Turkish flag. This type of modification is in the grey

Title: International vehicle registration code
Content: system is used for vehicles belonging to the diplomats of foreign countries with license plate from the host country. That system is host country-specific and varies largely from country to country. For example TR on a diplomatic car in the USA indicates Italian, not Turkish. Such markings in Norway are indicated with numbers only, again different from international standards (e.g. 90 means Slovakian. International vehicle registration code The country in which a motor vehicle's vehicle registration plate was issued may be indicated by an international licence plate country code, formerly known as an International Registration Letter or International Circulation Mark.

Title: Vehicle registration plate
Content: but without the space, and followed by a smaller T (for Taxi.) Military vehicles have four to six yellow digits on black background, and may be used for all kinds of vehicles from ordinary automobiles to tanks. Turkish car number plates use an indirect numbering system associated with the geographical info. In Turkey, registration plates are made by authorized private workshops. The registration plate is rectangular in shape and made of aluminum. On the left, there is the country code "TR" in a 4×10 cm blue stripe like in EU countries (without the 12 golden stars). The text is in

Title: Vehicle registration plates of Turkey
Content: original 67 provinces are newer additions, these province names go chronologically. Vehicle registration plates of Turkey Turkish car number plates are license plates found on Turkish vehicles. The plates use an indirect numbering system associated with the geographical info. In Turkey, license plates are made by authorized private workshops. The license plate is rectangular in shape and made of aluminum. On the left, there is the country code "TR" in a 4×10 cm blue stripe like in EU countries (without the 12 golden stars). The text is in black characters on white background, and for official vehicles white on black.

Title: Vehicle registration plates of Turkey
Content: Vehicle registration plates of Turkey Turkish car number plates are license plates found on Turkish vehicles. The plates use an indirect numbering system associated with the geographical info. In Turkey, license plates are made by authorized private workshops. The license plate is rectangular in shape and made of aluminum. On the left, there is the country code "TR" in a 4×10 cm blue stripe like in EU countries (without the 12 golden stars). The text is in black characters on white background, and for official vehicles white on black. On all vehicles two plates have to be present, being one

Question: What are the international registration letters of a vehicle from Turkey?
Answer: TR