1. Have been certified by the Secretary of Labor (hereafter referred to certified-eligible concerns with first or second preferences) regard) the employment of a proportionate number of disadvantaged individual: and have agreed to perform substantially: 1) in or near sections of concentrated unemployment or underemployment or in persistent or substantial labor surplus areas; or 2) in other areas of the United Stat respectively, or; 2. Are noncertified concerns which have agreed to perform substantially persistent or substantial labor surplus areas, where this can be done consistent with the efficient performance of the Subcontract and at prices no higher than are obtainable elsewhere. The Subcontractor agrees to use his best efforts to place his lower-tier subcontracts in accordance with this policy. b. In complying with paragraph a of this Article and with paragraph b of the Article of this Subcontract entitled "Utilization of Small Business Con- cerns," the Subcontractor in placing his lower-tier subcontracts shall observe the following order of preference: l. Certified-eligible concems with a first preference which are also small business concerns; 2. Other certified-eligible concerns with a first preference; 3. Certified-eligible concerns with a second preference which are also small business concerns; 4. Other certified-eligible concerns with a second preference; 5. Persistent or substantial labor surplus area concerns which are also small business concerns; 6. Other persistent or substantial labor surplus area concerms; and 7. Small business concems which are not labor surplus area concerns. ARTICLE 34 — ASSIGNMENT, SUBLETTING, OR SUBCONTRACTING fy Neither this Subcontract nor any interest efferein or claim thereunder shall be assigned, subcontracted, or txansferred the Subcontractor except as expressly authorized in writing by the Contractor. “Any acigiéved assignment, subcontract, or transfer by the Subcontractor without such yee teen authorization shall be void. ARTICLE 35 ~ RELEASE OF INFORMATION The Subcontractor shall submit for review angapproval and secure the written release of the Contractor prior to publica On or release of any information concerning this Subcontract or the work cdWered herein. 28 Giz 5008619