Cika jumla mai zuwa:
2014 Juyin mulkin Thai, an nada Borwornsak memba na Majalisar Gyara Kasa (NRC), yana aiki a matsayin mataimakin shugaban wannan kungiyar. A lokaci guda, shi ne shugaban kwamitin da gwamnatin soja ta nada na tsara kundin tsarin mulki. Koyaya, a watan Satumbar 2015, yawancin membobin NRC sun ƙi ƙirar, wanda ya haifar da rushe duka kwamitin daftarin da NRC kanta. An maye gurbin Borwornsak da Meechai Ruchuphan a matsayin shugaban sabon Kwamitin Rubutun Tsarin Mulki. A watan Agusta 2017, Firayim Minista Prayut Chan-o-cha ya nada shi shugaban kwamitin Gyara Dokar.