Ministerial Regulation No. 20, B.E. 2516 (1973) issued in accordance with the Minerals Act B.E. 2510

Article 1 For the following cases, use the surveying method specified in Article 3 to demarcate the boundary of the area for Exclusive Prospecting Atchayabat, Special Atchayabat, or Prathanabat: (1) When there is a dispute or an error about the boundary of the area. (2) When the competent official deems expedient.

Article 2 With the exception of Article 1 above, the methods specified in Article 4 shall be applied to demarcate the boundary of the area for Exclusive Prospecting Atchayabat, Special Atchayabat, or Prathanabat. Procedures

Article 3 In order to demarcate the boundary of the area for Exclusive Prospecting Atchayabat, Special Atchayabat, or Prathanabat by using the surveying methods, one or several of the following procedures shall be applied: (1) Make a close traverse by theodolite and chain. (2) Make a close traverse by theodolite and electronic device to measure distance. (3) Measure a distance by using theodolite or electronic measuring device. (4) Make a survey by using triangulation method.

Article 4 Employ one of the following methods in case of using other means to demarcate the boundary of the area for Exclusive Prospecting Atchayabat, Special Atchayabat, or Prathanabat. (1) Demarcate the boundary of the area in the military map of the scale 1:50,000 or 1:25,000. (2) Demarcate the boundary of the area by making a benchmark to find international Cartesian coordinates (Universal Traverse Mercator Coordinates or U.T.M. coordinates) and its grid azimuth. Given on the 25th day of July B.E. 2516 Signed by General K. Seevarar Minister of Industry www.ThaiLaws.com 1 Remark: The reason to promulgate originates from Section 34 and Section 47 of the Minerals Act B.E. 2510, as amended by the 2nd issue B.E. 2516, which sets rules and procedures to designate the area of Exclusive Prospecting Atchayabat, Special Atchayabat, and Prathanabat by means of surveying method or other methods specified in the Ministerial Regulation, thus making it necessary to issue this Ministerial Regulation. Disclaimer This translation is intended to help Thais or foreigners to understand Thailand laws and regulations only, not to use as references, because it is only the original Thai version of legislation that carries legal effect. www.ThaiLaws.com, therefore, shall not be held responsible in any way for any damage or otherwise the user may incur as a result of or in connection with any use of this publication for any purposes. It’s the responsibility of the user to obtain the correct meaning or interpretation of this publication or any part thereof from Thai version or by making a formal request to the appropriate or related authorities. www.ThaiLaws.com 2