(a) Use the clause at 252.243-7001, Pricing of Contract Modifications, in all bilateral purchase orders.
(d) When using the clause at FAR 52.213-4, delete the reference to the clause at FAR 52.225-1, Buy American--Supplies. Instead, if the Buy American Act applies to the acquisition, use the clause at--
(i) 252.225-7001, Buy American Act and Balance of Payments Program, as prescribed at 225.1101(2); or
(ii) 252.225-7036, Buy American Act--Free Trade Agreements--Balance of Payments Program, as prescribed at 225.1101(10). [64 FR 24528, May 7, 1999, as amended at 65 FR 19850, Apr. 13, 2000; 65 FR 39704, June 27, 2000; 68 FR 56561, Oct. 1, 2003; 69 FR 1927, Jan. 13, 2004; 77 FR 35880, June 15, 2012]