The "Royal Proclamation on Appointment of Leader of the <a href="https://en.wikipedia.org/wiki/National_Peacekeeping_Council" class="extiw" title="w:National Peacekeeping Council">National Peacekeeping Council</a> dated 26 February 2534 (1991)", as published in the <i>Royal Thai Government Gazette</i> on 26 February 1991.
Cabinet Secretariat of Thailand
1991-02-26
"<a rel="nofollow" class="external text" href="http://www.ratchakitcha.soc.go.th/DATA/PDF/2534/A/036/1.PDF">Prakat phraborommaratcha-ongkan taengtang huana khana raksa khwamsa-ngop riap-roi haeng chat long wanthi yisip hok kumphaphan song phan ha roi samsip si</a>" ประกาศพระบรมราชโองการแต่งตั้งหัวหน้าคณะรักษาความสงบเรียบร้อยแห่งชาติ ลงวันที่ ๒๖ กุมภาพันธ์ ๒๕๓๔ [Royal Proclamation on Appointment of Leader of the National Peacekeeping Council dated 26 February 2534 (1991)]. (1991, 26 February). <i>Royal Thai Government Gazette</i>. Volume 108, Part 36 A, Special Issue. p. 1. (In Thai).