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 ____.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. A type of unfair business practice that occurs when someone intentionally interferes with an established business relationship using unlawful or wrongful means. Spoken upon completing design of this book. Page 6. Acknowledgements. Hon. Of the parties' contractual relationship beyond those to which they agreed. (a) Residents rights. Unbalanced bids will not be accepted.