Editorial Notes Codification Section 16616, Pub. L. 109–155, title I, § 108 , Dec. 30, 2005 , 119 Stat. 2913 , which related to commercialization plan for missions to the Moon and Mars, and required plan submission to Congress not later than 180 days after Dec. 30, 2005 , was omitted from the Code following the enactment of Title 51, National and Commercial Space Programs, by Pub. L. 111–314 . Section 16617, Pub. L. 109–155, title I, § 109 , Dec. 30, 2005 , 119 Stat. 2913 , which related to study on the feasibility of use of ground source heat pumps and required study transmission to Congress not later than one year after Dec. 30, 2005 , was omitted from the Code following the enactment of Title 51.