543.171 Changes in commercial supplier agreements.
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(a) Commercial supplier agreements must be modified if the updated terms are material as defined in 552.212-4(w)(1)(iv) or 552.232-78(a)(6).
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(b) When authorizing a contract modification to update commercial supplier agreement terms, the contracting officer must consider the impact to the Government's rights and negotiate the terms if necessary.
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(c) The contracting officer is responsible for maintaining a current copy of the commercial supplier agreement in the contract file.