Standard Inspection Procedure
![An example of a SIP - MIL-STD-105 D Quick reference Table, TABLE I and TABLE IIA](/Images/godic/202502/13/MIL-STD-105_D_quick_ref_TABLE1259.jpg")
A standard inspection procedure (or sometimes just 'SIP') is a process by which a number of variables may be checked for compliance against a set of rules. SIPs are used by various organizations including the Commercial Vehicle Safety Alliance (CVSA) and the U.S. Department of Defense.