# PART 1843—CONTRACT MODIFICATIONS

Authority: 51 U.S.C. 20113(a) and 48 CFR chapter 1.

Source: 62 FR 14022, Mar. 25, 1997, unless otherwise noted.

Subpart 1843.2—Change Orders

1843.205 Contract clauses.

1843.205-70 NASA contract clauses.

## Subpart 1843.2—Change Orders

### 1843.205 Contract clauses.

As authorized in the prefaces of clauses FAR 52.243-1, Changes—Fixed Price; FAR 52.243-2, Changes—Cost Reimbursement; and FAR 52.243-4, Changes; and in the prescription at 43.205(c) for FAR 52.243-3, Changes—Time-and-Material or Labor-Hours, the period within which a contractor must assert its right to an equitable adjustment may be varied not to exceed 60 calendar days.

### 1843.205-70 NASA contract clauses.

The contracting officer may insert a clause substantially as stated at 1852.243-72, Equitable Adjustments, in solicitations and contracts for—

(a) Dismantling, demolishing, or removing improvements; or

(b) Construction, when the contract amount is expected to exceed the simplified acquisition threshold and a fixed-price contract is contemplated.