"Commercial banks shall submit to the CBK periodic weekly reports in the returns attached to the banking circular. These returns should reach the CBK by 9am of first working days of the following week," said the regulator in a circular dated Monday, June 10. Further the CBK shall take appropriate enforcement action against any commercial bank which fails, neglects or omits to comply with anti-money laundering laws including submission of returns on time. READ ALSO: Father of JKUAT student who intruded State House says son suffers from mental illness The regulations come barely two days after Bank of Tanzania and Uganda stopped use of the Kenyan currency in an effort to curb its banks from being used to launder stolen money back into Kenya. The Bank of Uganda said the move was necessitated after the CBK informed it that it had issued a new series of banknotes effective May 31.