Section 213.501 - Special documentation requirements(a)(i)Sole source (including brand name) acquisitions. For noncompetitive follow-on acquisitions of supplies or services previously awarded on a noncompetitive basis, include the additional documentation required by PGI 206.303-2(b)(i) and follow the procedures at PGI 206.304(a)(S-70).(ii) In accordance with section 888(a) of the National Defense Authorization Act for Fiscal Year 2017 (Pub. L. 114-328), the justification and approval addressed in FAR 13.501(a) is required in order to use brand name or equal descriptions or proprietary specifications and standards.80 FR 21657, Apr. 20, 2015, as amended at 84 FR 25192, May 31, 2019 As amended at 84 FR 25192, 5/31/2019