18. The Principal Act is amended by the insertion of the following section after section 139ZJ:

“139ZJA. Where, at any time after the commencement of an investigation pursuant to a direction under section 139ZI(1), the Commission makes a communication under Article 58(5) relating to the suspected contravention which is the subject of the investigation, the Commission shall as soon as is practicable give the inquiry subject notice in writing that the communication has been made.”.