Previous years' contract solicitations can be viewed here:
*Solicitation Amendment 1; Solicitation Amendment 2
** Guide Notice: NOT-OD-18-209 for PHS 2019-1
** Q&A Amendment 1; Q&A Amendment 2; Q&A Amendment 3
** Q&A Amendment 1, released on September 22, 2016.
*** Guide Notice (NOT-OD-16-123) for PHS 2017-1.