5106.302-1 Only one responsible source and no other supplies or services will satisfy agency requirements.
(a)(2)(i)(1) The head of the contracting activity shall make the determination at DFARS 206.302-1(a)(2)(i)(1). See Appendix GG for further delegation.
(d) The head of the contracting activity may waive the requirements as stated in DFARS and DFARS PGI 206.302-1(d). See Appendix GG for further delegation.