‹ Implementation of Wage Protection System (WPS)_15 March 2018 Compliance with the CBB Rules Applicable to Controllers_28 February 2018 › Compliance with the CBB Rules Applicable to Controllers_6 March 2018 Click here to download the Letter in PDF format. ‹ Implementation of Wage Protection System (WPS)_15 March 2018 Compliance with the CBB Rules Applicable to Controllers_28 February 2018 ›