The Constitution of the Democratic Socialist Republic of Sri Lanka 142 [CHAPTER XIX A Commission to Investigate Allegations of Bribery or Corruption] Article 156A - Repealed 143 [CHAPTER XIX B National Procurement Commission] Articles 156B to 156H - Repealed 142 - Chapter XIXA repealed by the Twentieth Amendment to the Constitution Sec. 55. 143 - Chapter XIXB repealed by the Twentieth Amendment to the Constitution Sec. 56. 141