Error codes ยท National portal upload checks
ICTO004: The file does not respect the authorised limit size. File size should not exceed 20MB.
Rejects the file LU-CSSF
Official text
The file does not respect the authorised limit size. File size should not exceed 20MB.
How it appears in feedback
ICTO004 The file does not respect the authorised limit size. File size should not exceed 20MB.
What triggers it
Zip larger than 20 MB.
How to fix it
Shrink the package (CSV only, no stray files); if a legitimate RoI exceeds 20 MB contact edesk@cssf.lu.
Raised by the CSSF eDesk upload step; the file never reaches content analysis.