It is, but in a vague way, see article 83[0], where to choose what fine to apply you must consider, amongst other things:
(f) the degree of cooperation with the supervisory authority, in order to remedy the infringement and mitigate the possible adverse effects of the infringement
If an authority did not go this way any fine could be voided by an appeal.
(f) the degree of cooperation with the supervisory authority, in order to remedy the infringement and mitigate the possible adverse effects of the infringement
If an authority did not go this way any fine could be voided by an appeal.
[0] http://data.consilium.europa.eu/doc/document/ST-5419-2016-IN...