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In law, a "third party" refers to a person who is not one of the principals or directly involved parties in a legal matter, such as a contract or divorce proceeding. This concept is particularly relevant in contract law, where a "third-party beneficiary" is someone who is not a signatory to a contract but is intended to benefit from its terms.12

Historically, some legal systems, like English law, were hesitant to grant rights to third parties who were not directly party to a contract. However, modern contract law has evolved to address situations where agreements confer rights upon individuals outside the original contract, especially with developments like life insurance. The law provides rules for determining the rights and control a third party might have over a contract, even if they were not an original signatory.3

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