Implementation of Customer Due Diligence Principles on Financial Service Companies in Preventing and Eradicating Criminal Action of Money Laundering in Medan

This study discusses about the implentation of customer due diligince principles on financial service companies in preventing and eradicating criminal action money laundering Medan. Indonesia has many favorable factors for conducting laundering, so it does not doubt that is labeled as a non-cooperative country combating crimes. In order to prevent eradicate Law No. 8 2010 regulates principle diligence. The was conducted Medan because there are services industry engaged autotyping, real state, foreign exchange, securities companies, insurance, postal, gold, jewelery, precious metals, savings loan cooperatives others. Secondary data collected through library studies by inventorying number laws regulations related laundering. result shows Principle Customer Due Diligence strong legal basis various field Financial Services Authority Article 18 Paragraph (2) Bank Regulation (PBI) 3/10 / PBI 2001 concerning Application Know Your Principles last amended 5/21 2003. 2009, 2003 Principles.