http://www.legislation.gov.uk/apni/1955/11/section/4Defamation Act (Northern Ireland) 1955An Act to amend the law relating to libel and slander and other malicious falsehoods.texttext/xmlenStatute Law Database2022-09-20Expert Participation2022-06-074Unintentional defamation.F1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .