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Procedure > Audit Days
 
  • ISO 9001
  • ISO 14001
  • ISO 13485
  • ISO 22301
  • ISO/IEC 27001
  • ISO/IEC 20000-1
  • ISO 22000
  • ISO 10002
  • ISO 21001
  • ISO 45001

 

ISO 9001 Audit Days

Effective number of client personnel Initial Audit Surveillance Audit Recertification Audit
Stage 1 - Stage 2
1~5 1.5 1 1.5
6~10 2 1 1.5
11~15 2.5 1 2
16~25 3 1 2
26~45 4 1.5 3
46~65 5 2 3.5
66~85 6 2 4
86~125 7 2.5 5
126~175 8 3 5.5
176~275 9 3 6
276~425 10 3.5 7
426~625 11 4 7.5
626~875 12 4 8
876~1175 13 4.5 9
1176~1550 14 5 9.5
1551~2025 15 5 10
2026~2675 16 5.5 11
2676~3450 17 6 11.5
3451~4350 18 6 12
4351~5450 19 6.5 13
5451~6800 20 7 13.5
6801~8500 21 7 14
8501~10700 22 7.5 15
10701 ~ Follow progression above

 

ISO 10002 Audit Days

Effective number of client personnel Initial Audit Surveillance Audit Recertification Audit
Stage 1 - Stage 2
1~5 1.5 1 1.5
6~10 2 1 1.5
11~15 2.5 1 2
16~25 3 1 2
26~45 4 1.5 3
46~65 5 2 3.5
66~85 6 2 4
86~125 7 2.5 5
126~175 8 3 5.5
176~275 9 3 6
276~425 10 3.5 7
426~625 11 4 7.5
626~875 12 4 8
876~1175 13 4.5 9
1176~1550 14 5 9.5
1551~2025 15 5 10
2026~2675 16 5.5 11
2676~3450 17 6 11.5
3451~4350 18 6 12
4351~5450 19 6.5 13
5451~6800 20 7 13.5
6801~8500 21 7 14
8501~10700 22 7.5 15
10701 ~ Follow progression above

 

ISO 21001 Audit Days

Effective number of client personnel Initial Audit Surveillance Audit Recertification Audit
Stage 1 - Stage 2
1~5 1.5 1 1.5
6~10 2 1 1.5
11~15 2.5 1 2
16~25 3 1 2
26~45 4 1.5 3
46~65 5 2 3.5
66~85 6 2 4
86~125 7 2.5 5
126~175 8 3 5.5
176~275 9 3 6
276~425 10 3.5 7
426~625 11 4 7.5
626~875 12 4 8
876~1175 13 4.5 9
1176~1550 14 5 9.5
1551~2025 15 5 10
2026~2675 16 5.5 11
2676~3450 17 6 11.5
3451~4350 18 6 12
4351~5450 19 6.5 13
5451~6800 20 7 13.5
6801~8500 21 7 14
8501~10700 22 7.5 15
10701 ~ Follow progression above

 

ISO 14001 Audit Days

Effective number of client personnel Initial Audit Surveillance Audit Recertification Audit
Stage 1 - Stage 2(M/D)
H M L Limited H M L Limited H M L Limited
1~5 3 2.5 2.5 2.5 1 1 1 1 2 2 2 2
6~10 3.5 3 3 3 1.5 1 1 1 2.5 2 2 2
11~15 4.5 3.5 3 3 1.5 1.5 1 1 3 2.5 2 2
16~25 5.5 4.5 3.5 3 2 1.5 1.5 1 4 3 2.5 2
26~45 7 5.5 4 3 2.5 2 1.5 1 5 4 3 2
46~65 8 6 4.5 3.5 3 2 1.5 1.5 5.5 4 3 2.5
66~85 9 7 5 3.5 3 2.5 1.5 1.5 6 5 3.5 2.5
86~125 11 8 5.5 4 4 3 2 1.5 7.5 5.5 4 3
126~175 12 9 6 4.5 4 3 2 1.5 8 6 4 3
176~275 13 10 7 5 4.5 3.5 2.5 2 9 7 5 3.5
276~425 15 11 8 5.5 5 4 3 2 10 7.5 5.5 4
426~625 16 12 9 6 5.5 4 3 2 11 8 6 4
626~875 17 13 10 6.5 6 4.5 3.5 2.5 11.5 9 7 4.5
876~1175 19 15 11 7 6.5 5 4 2.5 13 10 7.5 5
1176~1550 20 16 12 7.5 7 5.5 4 2.5 13.5 11 8 5
1551~2025 21 17 12 8 7 6 4 3 14 11.5 8 5.5
2026~2675 23 18 13 8.5 8 6 4.5 3 15.5 12 9 6
2676~3450 25 19 14 9 8.5 6.5 5 3 17 13 9.5 6
3451~4350 27 20 15 10 9 7 5 3.5 18 13.5 10 7
4351~5450 28 21 16 11 9.5 7 5.5 4 19 14 11 7.5
5451~6800 30 23 17 12 10 8 6 4 20 15.5 11.5 8
6801~8500 32 25 19 13 11 8.5 6.5 4.5 21.5 17 13 9
8501~10700 34 27 20 14 11.5 9 7 5 23 18 13.5 9.5
10701 ~ Follow progression above

 

ISO 45001 Audit Days

Effective number of client personnel Initial Audit Surveillance Audit Recertification Audit
Stage 1 - Stage 2(M/D)
H M L Limited H M L Limited H M L Limited
1~5 3 2.5 2.5 2.5 1 1 1 1 2 2 2 2
6~10 3.5 3 3 3 1.5 1 1 1 2.5 2 2 2
11~15 4.5 3.5 3 3 1.5 1.5 1 1 3 2.5 2 2
16~25 5.5 4.5 3.5 3 2 1.5 1.5 1 4 3 2.5 2
26~45 7 5.5 4 3 2.5 2 1.5 1 5 4 3 2
46~65 8 6 4.5 3.5 3 2 1.5 1.5 5.5 4 3 2.5
66~85 9 7 5 3.5 3 2.5 1.5 1.5 6 5 3.5 2.5
86~125 11 8 5.5 4 4 3 2 1.5 7.5 5.5 4 3
126~175 12 9 6 4.5 4 3 2 1.5 8 6 4 3
176~275 13 10 7 5 4.5 3.5 2.5 2 9 7 5 3.5
276~425 15 11 8 5.5 5 4 3 2 10 7.5 5.5 4
426~625 16 12 9 6 5.5 4 3 2 11 8 6 4
626~875 17 13 10 6.5 6 4.5 3.5 2.5 11.5 9 7 4.5
876~1175 19 15 11 7 6.5 5 4 2.5 13 10 7.5 5
1176~1550 20 16 12 7.5 7 5.5 4 2.5 13.5 11 8 5
1551~2025 21 17 12 8 7 6 4 3 14 11.5 8 5.5
2026~2675 23 18 13 8.5 8 6 4.5 3 15.5 12 9 6
2676~3450 25 19 14 9 8.5 6.5 5 3 17 13 9.5 6
3451~4350 27 20 15 10 9 7 5 3.5 18 13.5 10 7
4351~5450 28 21 16 11 9.5 7 5.5 4 19 14 11 7.5
5451~6800 30 23 17 12 10 8 6 4 20 15.5 11.5 8
6801~8500 32 25 19 13 11 8.5 6.5 4.5 21.5 17 13 9
8501~10700 34 27 20 14 11.5 9 7 5 23 18 13.5 9.5
10701 ~ Follow progression above

 

ISO 13485 Audit Days

Effective number of client personnel Initial Audit Surveillance Audit Recertification Audit
1~5 3 One third of the audit time for the initial audit Two thirds of the audit time for the initial audit
6~10 4
11~15 4.5
16~25 5
26~45 6
46~65 7
66~85 8
86~125 10
126~175 11
176~275 12
276~425 13
4266~625 14
626~875 15
876~1175 16
1176~1550 17
1551~2025 18
2026~2675 19
2676~3450 20
3451~4350 21
4351~5450 22
5451~6800 23
6801~8500 24
8501~10700 25
> 10700 Follow progression above

 

ISO 22301 Audit Days

Effective number of client personnel Initial Audit Surveillance Audit Recertification Audit
1~20 4 One third of the audit time for the initial audit Two thirds of the audit time for the initial audit
21~60 5
61~100 6
101~250 7
251-500 8
501~1,000 9
1,001~2,000 10
2,001~4,000 12
4,001~9,999 14

 

ISO/IEC 27001 Audit Days

Effective number of client personnel Initial Audit Surveillance Audit Recertification Audit
1~10 5 One third of the audit time for the initial audit Two thirds of the audit time for the initial audit
11~15 6
16~25 7
26~45 8.5
46~65 10
66~85 11
86~125 12
126~175 13
176~275 14
276~425 15
426~625 16.5
626~875 17.5
876~1,175 18.5
1,176~1,550 19.5
1,551~2,025 21
2,026~2,675 22
2,676~3,450 23
3,451~4,350 24
4,351~5,450 25
5,451~6,800 26
6,801~8,500 27
8,501~10,700 28
>10,700 ~ Follow progression above

 

ISO/IEC 20000-1 Audit Days

Effective number of client personnel Initial Audit Surveillance Audit Recertification Audit
1 ~ 25 3.5 One third of the audit time for the initial audit Two thirds of the audit time for the initial audit
16~25 4.5
26~45 5.5
46~65 6
66~85 7
86~125 8
126~175 9
176~275 10
276~425 11
426~625 12
626~875 13
876~1,175 15
1,176 ~ Follow progression above

 

ISO 22000 Audit Days

Category TD Basic on-site audit time, in audit days TH Number of audit days for each additional HACCP study TMS Number of audit days for absence of certified relevant management system TFTE Number of audit days per number of employees For each additional site visited
A 0.75 md 0.25 md 0.25 md 1 ~ 19 = 0
20 ~ 49 = 0.5
50 ~ 79 = 1.0
80 ~ 199 = 1.5
200 ~ 499 = 2.0
500 ~ 899 = 2.5
900 ~ 1,299 = 3.0
1,300 ~ 1,699 = 3.5
1,700 ~ 2,999 = 4.0
3,000 ~ 5,000 = 4.5
5,000 초과 = 5.0 		At least
35 % ~ 50 % of the on-site audit time
B 0.75 md 0.25 md
C 1.50 md 0.50 md
D 1.50 md 0.50 md
E 1.50 md 0.50 md
F 1.00 md 0.50 md
G 1.00 md 0.50 md
H 1.00 md 0.25 md
I 1.00 md 0.25 md
J 1.00 md 0.25 md
K 1.50 md 0.50 md