(68)Union law in specific areas, such as market abuse, namely Regulation (EU) No 596/2014 and Implementing Directive (EU) 2015/2392, civil aviation, namely Regulation (EU) No 376/2014, or safety of offshore oil and gas operations, namely Directive 2013/30/EU, already provides for the establishment of internal and external reporting channels. The obligations to establish such channels laid down in this Directive should build as far as possible on the existing channels provided by specific Union acts.