Enforcement Rules of the Personal Data Protection Act Article 27

A "contractual relationship", as referred to under subparagraph 2, paragraph 1 of Article 19 of the PDPA, shall include the contractual relationship between a non-government agency and a data subject, and also the relationship where a non-government agency and a data subject are either contacting, negotiating or communicating with, receiving delivery from or making delivery to a necessary third party for the purpose of performing the contract between the non-government agency and the data subject.A "quasi-contractual relationship", as referred to under subparagraph 2, paragraph 1 of Article 19 of the PDPA, shall mean any of the following:1. any relationships involving the contact and negotiation between a non-government agency and a data subject before the execution of a contract for the purpose of preparing for or negotiating the terms of such contract or transaction; or2. any relationships involving the communication between a non-government agency and a data subject upon the extinguishment of a contract due to the invalidation, rescission, cancellation or termination thereof or upon the complete performance of a contract, for the purpose of exercising their rights, performing their obligations, or ensuring the integrity of the personal data.
中文原文 個人資料保護法施行細則第27條
本法第十九條第一項第二款所定契約關係,包括本約,及非公務機關與當事人間為履行該契約,所涉及必要第三人之接觸、磋商或聯繫行為及給付或向其為給付之行為。
本法第十九條第一項第二款所稱類似契約之關係,指下列情形之一者:
一、非公務機關與當事人間於契約成立前,為準備或商議訂立契約或為交易之目的,所進行之接觸或磋商行為。
二、契約因無效、撤銷、解除、終止而消滅或履行完成時,非公務機關與當事人為行使權利、履行義務,或確保個人資料完整性之目的所為之連繫行為。

English translation for reference only; the Chinese text prevails. Not legal advice.