During the effective period of advance pricing arrangement, if there is manifest change of the factors affecting the transaction result, including: a change to any key assumptions, the parties involved are no longer associated enterprises or the price should be re-negotiated under the contractual terms, the Applicant shall notify the collection authority-in-charge within one month from the occurrence of such change, and the collection authority-in-charge shall, based on the circumstances, take necessary measures, including: negotiate with the profit-seeking enterprise to amend the terms and conditions of the advance pricing arrangement, or void the application of such advance pricing arrangement.