https://regulations.justia.com/regulations/fedreg/agencies/agencies-and-commissions/national-science-foundation/2012/07/18?registers=between Sun, 20 Apr 2025 23:00:14 -0700 Sun, 20 Apr 2025 23:00:14 -0700 Justia Regulations Tracker Copyright 2011 Justia Inc. https://regulations.justia.com/images/justiafedregulations.gif https://regulations.justia.com/regulations/fedreg/agencies/agencies-and-commissions/national-science-foundation/2012/07/18?registers=between