Legislation encouraging the use of public-private partnerships (P3s) to address Maryland’s growing infrastructure needs has been passed by the General Assembly and signed into law by Gov. Martin O’Malley with bipartisan support. The 2013 P3 law, based on legislation introduced by the O’Malley-Brown administration on Jan. 30, 2013, followed momentum from similar legislation that was nearly enacted last year. The 2013 P3 law takes effect on July 1, 2013.