Article 16 6.

An investment firm shall arrange for records to be kept of all services, activities and transactions undertaken by it which shall be sufficient to enable the competent authority to fulfil its supervisory tasks and to perform the enforcement actions under this Directive, Regulation (EU) No 600/2014, Directive 2014/57/EU and Regulation (EU) No 596/2014, and in particular to ascertain that the investment firm has complied with all obligations including those with respect to clients or potential clients and to the integrity of the market.