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Effective Oct. 1, 2023, the DCSA TD(A) Call Center will provide information and/or assistance regarding industrial personnel security clearances and status inquiries to Industry Facility Security Officers (FSO). The DCSA TD(A) Call Center is available Mon-Fri from 0630 a.m. - 1700 p.m. EST to answer phone and email inquiries from FSOs only. For inquiries please contact: