▁deliber ately ▁ref using ▁to ▁deliver ▁necessary ▁goods . ▁ ▁A ▁tort ▁of ▁neg lig ent ▁inter ference ▁occurs ▁when ▁one ▁party ' s ▁neg lig ence ▁dam ages ▁the ▁contract ual ▁or ▁business ▁relationship ▁between ▁others , ▁causing ▁economic ▁harm , ▁such ▁as , ▁by ▁blocking ▁a ▁water way ▁or ▁causing ▁a ▁black out ▁that ▁prevents ▁the ▁utility ▁company ▁from ▁being ▁able ▁to ▁u ph old ▁its ▁existing ▁contract s ▁with ▁consum ers . ▁ ▁Description ▁▁ ▁T ort ious ▁inter ference ▁with ▁contract ▁rights ▁can ▁occur ▁when ▁one ▁party ▁convin ces ▁another ▁to ▁bre ach ▁its ▁contract ▁with ▁a ▁third ▁party ▁( e . g ., ▁using ▁black mail , ▁thre ats , ▁influence , ▁etc .) ▁or ▁where ▁someone ▁know ingly ▁inter fer es ▁with ▁a ▁contract or ' s ▁ability ▁to ▁perform ▁his ▁contract ual ▁oblig ations , ▁prevent ing ▁the ▁client ▁from ▁receiving ▁the ▁services ▁or ▁goods ▁promised ▁( e . g ., ▁by ▁ref using ▁to ▁deliver ▁goods ). ▁The ▁tort fe as or ▁is ▁the ▁person ▁who ▁inter fer es ▁with ▁the ▁contract ual ▁relationship ▁between ▁others . ▁When ▁a ▁tort fe as or ▁is ▁aware ▁of ▁an ▁existing ▁contract ▁and ▁deliber ately ▁indu ces ▁a ▁bre ach ▁by ▁one ▁of ▁the ▁contract ▁hold ers , ▁it ▁is ▁term ed , ▁" t ort ious ▁indu cement ▁of ▁bre ach ▁of ▁contract ". ▁ ▁T ort ious ▁inter ference ▁with ▁business ▁relationships ▁occurs ▁where ▁the ▁tort fe as or ▁intention ally ▁acts ▁to ▁prevent ▁someone ▁from