Hammurabi (1792-1750 B.C) Sixth and best-known ruler of the 1st (Amorite) dynasty of Babylon (reigning c. 1792-50 BC), noted for his surviving set of laws, once considered the oldest promulgation of laws in human history.
Your Facility Security Officer (FSO) may inquire about the status of your security clearance. All National Industrial Security Program (NISP) cleared contractors use JPAS (official personnel security clearance database management system for DoD and other government users). The Personnel Security Investigation (PSI) on which the clearance is based can be either current or expired.. PSIs are current if they are not more than five years old for a Top Secret clearance, 10 years old for a Secret clearance, or 15 years old for a Confidential clearance.
If you look at performance.gov and check out Q4 for 2016, you'll see that 90% of investigations are adjudicated in 21 days for secret clearances, 22 days for top secret. The bulk of the entire process is in the investigation phase (208 days average for TS in Q4 2016).