42 USC 16821 - Small business contracting

(a) Plan 
In consultation with the Small Business Administration, the Administrator shall develop a plan to maximize the number and amount of contracts awarded to small business concerns (within the meaning given that term in section 632 of title 15) and to meet established contracting goals for such concerns.
(b) Priority 
The Administrator shall establish as a priority meeting the contracting goals developed in conjunction with the Small Business Administration to maximize the amount of prime contracts, as measured in dollars, awarded in each fiscal year by NASA to small business concerns (within the meaning given that term in section 632 of title 15).