Where the lead supervisory authority initiates an investigation on the basis of a complaint, the parties under investigation should be informed without delay about the lodging of that complaint and of its main elements. The provision of such information by the lead supervisory authority could however be postponed for as long as necessary to protect the integrity of the investigation and allow for the effective conduct of investigative measures.
Text as published in the Official Journal, reproduced verbatim (including any typographical quirks of the source). For the authentic version, see EUR-Lex.