In certain circumstances, a treaty change may fully reflect the terms of the original contract; However, complete changes are relatively rare. Most treaty amendments change only certain conditions of an existing treaty, so that the other provisions remain in force. A contract change generally relates to changes to the terms of the contract when such changes are made after the contract has been executed. If the only change you intend to make is to extend the term of the contract beyond its existing end date, see prototype model extension extension NEW 16/2014 Otherwise, the language of the next prototype can be used to start drafting a contract modification: AMENDMENT This modification is made to this contract [contract number] that was previously executed by and between [AGENCY NAME] as “[AGENCY] and TEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER, [Office or school of `division` or department of `Contracting parties who sign and between them mutually agree to amend this earlier agreement as follows: [Clearly defined changes, complements or deletions using the following three introductory words :] Article 1, paragraph 1 is amended [effective day of the month] , year] and: in Article II, paragraph 2, [effective monthday, year], you add that Article V, paragraph 3 [effective monthday, year] is deleted. All other conditions that are not changed by this condition remain fully applicable and effective. [Insert the corresponding signature blocks for TTUHSC and FOR AGENCE here:] – This change is made to this contract [contract number]: which were previously executed by [AGENCY NAME] and between [AGENCY], (FOLLOWING, texas, texas, as “TTUHSC”, texas. A contract amendment is used when the parties wish to change the terms of an existing legal agreement. For example, the parties may agree to extend the initial duration of the contract through an amendment or to change the agreed price or the agreed quantity for the goods and services subject to the agreement.