Given these facts, St. Francis likely liable for wrongful interference with a contractual relationship. Wrongful interference with a contractual relationship requires the existence of an Intentional Act, Contractual Relationship, and Damages.Wrongful interference with a contractual relationship requires the existence of ___, third party ____, and ____. This claim requires the existence of an underlying enforceable contract. Wrongful interference with a contractual relationship requires_____________ , a third party who__________ , and that same third party who ______. Wrongful interference with a contractual relationship requires that there is a valid contract between two parties, a third party who knows the contract exists. Sanchez then filed this action against the County and Hansberger for, among other things, breach of contract, promissory fraud, invasion of privacy. 3 Tortious Interference Business Expectancy. Contractual relationship which may be alleged to exist between the Contractor or any subcontractor, and such worker. 3. Prevailing Rate Penalty.