关于内部审核的频率,ISO17021有以下规定,一般认证公司都是根据以下要求来审查企业的.5 s6 P1 e3 X7 a
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10.2.5 Internal audits 1 X* X2 j& A9 V, Y# C* X6 V10.2.5.1 . c2 X# b& V( r; Q$ N: Y/ QThe certification body shall establish procedures for internal audits to verify that it fulfills the requirements of this International Standard and that the management system is effectively implemented and maintained. F: L, v. C4 a; K" z7 B$ E) E0 R' l1 y* hNOTE ISO 19011 provides guidelines for conducting internal audits. 4 h& [; I3 R3 C# X) j+ L. b5 T10.2.5.2 2 z! l5 Q" b! A6 L- x: s1 q6 BAn audit programme shall be planned, taking into consideration the importance of the processes and areas to be audited as well as the results of previous audits. 9 \) ]2 n8 i5 a$ j: ~" L10.2.5.3; ~" l7 F, C+ g4 f/ [( ^% E' n# P
Internal audits shall be performed at least once a year. The frequency of internal audits may be reduced if the certification body can demonstrate that its management system continues to be effectively implemented according to this International Standard and has proven stability.