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# AFARS – PART 5143
Contract Modifications

(Revised 01 May 2019)

AFARS – PART 5143 Contract Modifications

Subpart 5143.2 – Change Orders

5143.204 Administration.

5143.204-70-5 Exceptions.

5143.204-70-6 Allowable profit.

5143.205 Contract clauses.

## Subpart 5143.2 – Change Orders

### 5143.204 Administration.

#### 5143.204-70-5 Exceptions.

(c) The Assistant Secretary of the Army (Acquisition, Logistics and Technology) may waive the limitations under DFARS 243.204-70-2, 243.204-70-3, and 243.204-70-4. See Appendix GG for further delegation.

#### 5143.204-70-6 Allowable profit.

The head of the contracting activity shall ensure the profit allowed reflects the conventions under DFARS 243.204-70-6. See Appendix GG for further delegation.

### 5143.205 Contract clauses.

(c) The contracting officer may change the period in which the contractor may assert claims under the clause at FAR 52.243-3, Changes—Time-and-Materials or Labor-Hours, to a period less than “30 days.”

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