The withdrawal or revocation and retrieval of a product due to defect or other liability, as to order back or "callback" for public safety, consumer information, and the like. Retrieval summons for publications usually involve copyright infringement or libel litigation, since errors, omissions, and other misprints are remedied by revisions or reprints. See offprint, run-on, out of print, fair use, license, reprint permission, copyright.