In a letter sent to the government earlier this month, three contractor associations recommend that portions of a proposed rule on lower-tier, small-business subcontracting be excluded or redrafted. The associations -- the Aerospace Industries Association, the Information Technology Alliance for the Public Sector and the Professional Services Council -- say they have significant concerns with the Small Business Association proposal, meant to implement part of the Fiscal Year 2014 National Defense Authorization Act. The rule alters when a prime contractor...