A frequent acronym in U.S. government reports (such as those from the White House OMB) regarding the "paperwork burden" placed on the public.
The prefix "ICB" likely refers to the content of the archive. Based on common usage, it may stand for: ICB.7z.002
Open the first part ( ICB.7z.001 ) using an extraction tool like 7-Zip or WinRAR. The software will automatically "stitch" the parts together to reveal the files inside. A frequent acronym in U