Switching Between Normal, Reduced, and Tightened Inspection (Military Standard 105E, ANSI/ASQ Z1.4)
Here is a chart of the switching rules between the three types of inspection (and discontinuation of inspection), as given by the Military Standard 105E.
10 consecutive batches not rejected | 5 consecutive batches not rejected | |||||
Reduced Inspection | Normal Inspection | Tightened Inspection | Discontinue Inspection | |||
1 batch not accepted | 2 of 5 consecutive batches rejected | 5 consecutive batches remain on tightened inspection |