(a) In general 
Under the summer national service program of the Civilian Community Corps Demonstration Program authorized by section 12612 (a) of this title, a diverse group of youth aged 14 through 18 years who are from urban or rural areas shall work in teams on Civilian Community Corps projects.

(b) Necessary participants 
To the extent practicable, at least 50 percent of the participants in the summer national service program shall be economically disadvantaged youths.

(c) Seasonal program 
The training and service of Corps members under the summer national service program in each year shall be conducted after April 30 and before October 1 of that year.