(a) The contracting officer shall insert the clause at 1252.232–71, Limitation of Government's Obligation, in—

(1) Solicitations and contracts for severable services when incremental funding of a fixed-price, time-and-material, or labor-hour contract due to a CR is anticipated; or

(2) Contracts or orders for severable services when incremental funding of a fixed-price, time-and-material, or labor-hour contract is authorized and DOT or its operating administrations are operating under a CR (see 1232.770–4).

(b) The contracting officer shall insert the information required in paragraphs (a) and (c) of clause 1252.232–71. Contracting officers are authorized, in appropriate cases, to revise paragraph (a) of clause 1252.232–71 to specify the work required under the contract, in lieu of using contract line item numbers, as well as revise paragraph (c) of the clause to specify a different notification period and percentage. The 30-day period may be varied up to 90 days, and the 75 percent can be varied from 75 up to 85 percent.