Switching Rules (ISO 2859-1)

Switching Between Normal, Reduced, and Tightened Inspection (ISO 2859-1)

Here is a chart of the switching rules between the three types of inspection (and discontinuation of inspection), as given by ISO 2859-1.

  Switching score value is at least 30   5 consecutive batches accepted      
Reduced Inspection [Arrow Pointing Left]
[Arrow Pointing Left]
Normal Inspection [Arrow Pointing Left]
[Arrow Pointing Left]
Tightened Inspection [Arrow Pointing Left] Discontinue Inspection
  1 batch not accepted   2 of 5 or fewer consecutive batches not accepted   5 batches not accepted while on tightened inspection