1.0 Introduction1.1 Scope1.2 Field of application2.0 References3.0 Terminology and Definitions4.0 Supplier and product qualification4.1 Supplier qualification4.2 Product qualification4.3 Example of product qualification5.0 Skip-lot procedures5.1 Determining the initial skip-lot inspection frequency5.2 Examples of initial frequency determination5.3 Reducing the frequency of inspection5.4 Lot selection procedures (states 2 and 3)5.5 Interrupt procedures5.6 Requalification procedures5.7 Disqualification6.0 Supplier responsibilities7.0 Inspection agency and responsible authority responsibilities8.0 Characteristics of the skip-lot procedures9.0 Bibliography of other papers on skip-lot samplingAnnexesA Summary of the options in ANSI/ASQC S1-1987B Procedures for random selection at specified inspection frequenciesC Factors used in deciding between skip-lot inspection (ANSI/ASQC S1-1987) and reduced inspection (ANSI/ASQC Z1.4-1981)TablesI Minimum cumulative sample size to initiate skip-lot inspectionII Acceptance number to initiate or continue skip-lot inspection (individual lot criterion)Figures1 Basic structure of the skip-lot inspection procedures2 Determination of the initial skip-lot frequency