Appendix I

Summaries of IACS Resolutions published in 2021
Summary of New/Revisions to IACS Unified Requirements published in 2021
New

Index

54

RevisedResolution no.

Corrigenda

Revision

Adoption

Title

Deleted/Withdrawn
Implemention
Date

1

UR M75Rev.1

Jan 2021

Ventilation of emergency generator rooms

01 Jan 222

UR M81

NewJan 2021

Safety measures against chemical treatment ﬂuids used for exhaust gas cleaning systems and residues which havehazardous properties

01 Jul 223

UR P2.13

Rev.1

Jan 2021

Installation

01 Jul 22

4

UR P2.7.4

Rev.10Jan 2021

Mechanical joints

01 Jul 22

5

UR P2.11

Rev.5

Jan 2021

Type approval of mechanical joints

01 Jul 226

UR M44

Rev.10Feb 2021

Documents for the approval of diesel engines

01 Jul 227

UR M56

Rev.4

Feb 2021

Marine gears – load capacity of involute parallel axis spur and helical gears

01 Jul 228

UR M66

Rev.4

Feb 2021

Type testing procedure for crankcase explosion relief valves

01 Jul 22

9

UR M68Rev.3

Feb 2021

Dimensions of propulsion shas and their permissible torsional vibration stresses

01 Jul 22

10

UR M69Rev.1

Feb 2021

Qualitative failure analysis for propulsion and steering on passenger ships

01 Jul 22

11

UR M42

Rev.5

Feb 2021

Steering gear

01 Jul 22

12

UR E7

Rev.5

Feb 2021

Cables01 Jul 22

13

UR E10Rev.8

Feb 2021

Test speciﬁcation for type approval

01 Jul 22

14

UR E11

Rev.4

Feb 2021

Uniﬁed requirements for systems with voltages above 1 kV up to 15 kV

01 Jul 22

Index15

Resolution no.
UR E17

Implemention
Date

Revision

Adoption

Title

Rev.1

Feb 2021

Generators and generator systems, having the ship’s propulsion machinery as their prime mover,
not forming part of the ship’s main source of electrical power

01 Jul 22

16

UR E21

Rev.1

Feb 2021

Requirements for uninterruptible power system (UPS) units as alternative and/or transitional power

01 Jul 2217

UR M78Rev.1

Feb 2021

Safety of internal combustion engines supplied with low pressure gas

01 Jul 22

18

UR F15

Rev.6

Feb 2021

Reinforced thickness of ballast and cargo oil piping

01 Jul 22

19

UR P4

Rev.6

Feb 2021

Production and application of plastic piping systems on ships

01 Jul 22

20

UR P2.12

Rev.3

Feb 2021

Flexible hoses

01 Jul 22

21

UR D8

Rev.3

Feb 2021

Hazardous areas

01 Jul 22

22

UR D9

Rev.4

Feb 2021

Machinery

01 Jul 22

23

UR S6

Corr.1Mar 2021

Use of steel grades for various hull members - ships of 90 m in length and above

-

24

UR N1

DeletedMar 2021

One man bridge operated (OMBO) ships

-

25

UR W1

Rev.4

Apr 2021

Material and welding for ships carrying liqueﬁed gases in bulk and ships using gases or other low-ﬂashpoint fuels

01 Jul 22

26

UR P3

Rev.5

Apr 2021

Air pipe closing devices

01 Jul 2227

UR M74Rev.2

Jun 2021

Ballast Water Management Systems (BWMS)

01 Jul 22

28

UR F45New

Jun 2021

Installation of BWMS on board ships

01 Jul 2229

UR Z28

Corr.1

Jun 2021

Surveys of watertight cable transits-

30

UR F46

New

Aug 2021

Low pressure CO2 piping system

31

UR W33

Corr.1Aug 2021

Non-destructive testing of ship hull steel welds-

32

UR Z17

Rev.16

Aug 2021

Procedural Requirements for Service Suppliers

01 Jan 22

33

UR A1

Corr.1

Sep 2021

Anchoring equipment

34

UR M77Rev.3

Sep 2021

Storage and use of SCR reductants

01 Jul 22

35

UR W2

Rev.3

Sep 2021

Test specimens and mechanical testing procedures for materials

01 Jan 23

01 Jul 22-55

of IACS Resolutions published in 2021
Appendix I Summaries
Summary of New/Revisions to IACS Unified Requirements published in 2021
Implemention
Date

Index

Resolution no.

Revision

Adoption

Title

36

UR W13

Rev.7

Sep 2021

ickness tolerances of steel plates and wide ﬂats

01 Jan 23

37

UR W14

Rev.3

Sep 2021

Steel plates and wide ﬂats with speciﬁed minimum through thickness properties (“Z” quality)

01 Jan 23

38

UR W17

Rev.6

Sep 2021

Approval of consumables for welding normal and higher strength hull structural steels

01 Jan 23

39

UR W18Rev.6

Sep 2021

Anchor chain cables and accessories including chaﬁng chain for emergency towing arrangements

01 Jan 23

40

UR W25

Rev.6

Sep 2021

Aluminium alloys for hull construction and marine structures

01 Jan 23

41

UR W26Rev.2

Sep 2021

Requirements for welding consumables for aluminium alloys

01 Jan 23

42

UR G1

Rev.3 Corr.2

Oct 2021

Vessels with cargo containment system for liqueﬁed gas-

43

UR M42

Rev.5 Corr.1

Oct 2021

Steering gear-

44

UR M56

Rev.4 Corr.1

Oct 2021

Marine gears – load capacity of involute parallel axis spur and helical gears-

45

UR M66

Rev.4 Corr.1

Oct 2021

Type testing procedure for crankcase explosion relief valves

-

46

UR S6

Rev.9 Corr.2

Nov 2021

Use of steel grades for various hull members - ships of 90 m in length and above-

47

UR M60Rev.1

Nov 2021

Control and safety of gas turbines for marine propulsion use

01 Jan 23

48

UR D11

Rev.4

Dec 2021

Safety features

01 Jan 23

49

CSR 2021

URCN 1Aug 2021

Urgent rule change notice 1 to CSR 01 Jan 2021 version

01 Jan 22

50

CSR 2021

RCN 1

Dec 2021

Rule change notice 1 to CSR 01 Jan 2021 version

01 Jul 2256

1. UR M75 (Rev.1 Jan 2021)
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2. UR M81 (New Jan 2021)
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3. UR P2.13 (Rev.1 Jan 2021)
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4. UR P2.7.4 (Rev.10 Jan 2021)
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5 UR P2.11 (Rev.5 Jan 2021)
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mechanical joints.

6. UR M44 (Rev.10 Feb 2021)
UR M44 provides a list of documents necessary to approve a diesel engine design for conformance to the Rules and for use during manufacture and installation. This revision has been updated to
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7 (&44). UR M56 (Rev.4 Feb 2021) and (Corr.1 Oct 2021)
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8 (&45). UR M66 (Rev.4 Feb 2021) and (Corr.1 Oct 2021)
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in Corr.1 of Rev.4.

9. UR M68 (Rev.3 Feb 2021)
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of IACS Resolutions published in 2021
Appendix I Summaries
Summary of New/Revisions to IACS Unified Requirements published in 2021
10. UR M69 (Rev.1 Feb 2021)
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11 (&43). UR M42 (Rev.5 Feb 2021) and (Corr.1 Oct 2021)
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instruments.

12. UR E7 (Rev.5 Feb 2021)
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13. UR E10 (Rev.8 Feb 2021)
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14. UR E11 (Rev.4 Feb 2021)
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15. UR E17 (Rev.1 Feb 2021)
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16. UR E21 (Rev.1 Feb 2021)
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instruments.

17. UR M78 (Rev.1 Feb 2021)
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18. UR F15 (Rev.6 Feb 2021)
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58

19. UR P4 (Rev.6 Feb 2021)
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instruments.

20. UR P2.12 (Rev.3 Feb 2021)
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21. UR D8 (Rev.3 Feb 2021)
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22. UR D9 (Rev.4 Feb 2021)
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23 (&46). UR S6 (Corr.1 Mar 2021) and (Corr.2 Nov 2021)
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26. UR P3 (Rev.5 Apr 2021)
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27. UR M74 (Rev.2 Jun 2021)
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of IACS Resolutions published in 2021
Appendix I Summaries
Summary of New/Revisions to IACS Unified Requirements published in 2021
28. UR F45 (New Jun 2021)
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29. UR Z28 (Corr.1 Jun 2021)
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30. UR F46 (New Aug 2021)
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31. UR W33 (Corr.1 Aug 2021)
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32. UR Z17 (Rev.16 Aug 2021)
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33. UR A1 (Corr.1 Sep 2021)
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34. UR M77 (Rev.3 Sep 2021)
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35. UR W2 (Rev.3 Sep 2021)
85:JLYHVUHTXLUHPHQWVIRUWHVWVSHFLPHQVZKHQWHVWLQJIHUURXVDQGQRQIHUURXVPHWDOV7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

36. UR W13 (Rev.7 Sep 2021)
85:DSSOLHVWRWKHWROHUDQFHRQWKLFNQHVVRIVWHHOSODWHVDQGZLGHÀDWVZLWKZLGWKVRIPPRUJUHDWHUZLWKWKLFNQHVVHVRIPPDQGRYHU7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

37. UR W14 (Rev.3 Sep 2021)
85:VXSSOHPHQWVWKRVHJLYHQLQ:DQG:IRUPDWHULDOZLWKDWKLFNQHVVJUHDWHUWKDQRUHTXDOWRPPDQGLQWHQGHGWRKDYHDVSHFL¿HGPLQLPXPGXFWLOLW\LQWKHWKURXJKWKLFNQHVVRU³=´
GLUHFWLRQ7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

60

38. UR W17 (Rev.6 Sep 2021)
85:JLYHVWKHFRQGLWLRQVRIDSSURYDODQGLQVSHFWLRQRIZHOGLQJFRQVXPDEOHVXVHGIRUKXOOVWUXFWXUDOVWHHODFFRUGLQJWR85:7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

39. UR W18 (Rev.6 Sep 2021)
85:DSSOLHVWRWKHPDWHULDOVGHVLJQPDQXIDFWXUHDQGWHVWLQJRIVWXGOLQNDQFKRUFKDLQFDEOHVDQGDFFHVVRULHVXVHGIRUVKLSV7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

40. UR W25 (Rev.6 Sep 2021)
85:DSSOLHVWRZURXJKWDOXPLQLXPDOOR\VXVHGLQWKHFRQVWUXFWLRQRIKXOOVVXSHUVWUXFWXUHVDQGRWKHUPDULQHVWUXFWXUHV7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDO
instruments.

41. UR W26 (Rev.2 Sep 2021)
UR W26 gives the conditions of approval and inspection of welding consumables to be used for hull construction and marine structure aluminium alloys according to UR W25. This revision has
EHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

42. UR G1 (Corr.2 Oct 2021)
85*JLYHVJHQHUDOSULQFLSOHVZKLFKDUHDSSOLHGE\FODVVL¿FDWLRQVRFLHWLHVIRUDSSURYDODQGVXUYH\RIWKHUHOHYDQWLWHPVRIYHVVHOVZLWKFDUJRFRQWDLQPHQWV\VWHPIRUOLTXH¿HGJDVIRUFODVVL¿FDWLRQ
purposes. Corr.2 to Rev.3 was issued to update the references relating to UR W1.

43. UR M42 (Rev.5 Corr.1 Oct 2021)
85SURYLGHVUHTXLUHPHQWVIRUVWHHULQJJHDURQRFHDQJRLQJYHVVHOVRI*7DQGXSZDUGV,QWKLVFRUULJHQGXPUHIHUHQFHWR62/$6UHJXODWLRQVDQGWKHDSSOLFDWLRQVWDWHPHQWKDYHEHHQFRUUHFWHG

44. UR M56 (Rev.4 Corr.1 Oct 2021)
850VWLSXODWHVWKHORDGFDSDFLW\RILQYROXWHSDUDOOHOD[LVVSXUDQGKHOLFDOJHDUV5HIHUHQFHVWR,62VWDQGDUGVKDYHEHHQXSGDWHGLQWKLVFRUULJHQGXP

45. UR M66 (Rev.4 Corr.1 Oct 2021)
850VSHFL¿HVW\SHWHVWLQJSURFHGXUHIRUFUDQNFDVHH[SORVLRQUHOLHIYDOYHVLQWHQGHGWREH¿WWHGWRHQJLQHVDQGJHDUFDVHV5HIHUHQFHVWR,62VWDQGDUGVKDYHEHHQXSGDWHGLQWKLVFRUULJHQGXP

46. UR S6 (Rev.9 Corr.1 Oct 2021)
856JLYHVUHTXLUHPHQWVIRUXVHRIVWHHOJUDGHVIRUKXOOVWUXFWXUDOPHPEHUVLQVKLSVRIPLQOHQJWKDQGDERYH,QWKLVFRUULJHQGXPWDEOHKDVEHHQFRUUHFWHGDQG¿JXUHKDYHEHHQLPSURYHG

47. UR M60 (Rev.1 Nov 2021)
850SURYLGHVUHTXLUHPHQWVRQFRQWURODQGVDIHW\RIJDVWXUELQHVIRUPDULQHSURSXOVLRQXVH7KLVUHYLVLRQKDVEHHQXSGDWHGWRDGGUHVVLQGXVWU\UHTXHVWV61

of IACS Resolutions published in 2021
Appendix I Summaries
Summary of New/Revisions to IACS Unified Requirements published in 2021
48. UR D11 (Rev.4 Dec 2021)
85'JLYHVUHTXLUHPHQWVRQ¿UHSURWHFWLRQDUUDQJHPHQWVDQG¿UHH[WLQJXLVKLQJV\VWHPV7KLVUHYLVLRQKDVEHHQXSGDWHGWRSURYLGHFODULW\RI³QHDURWKHURSHQLQJVRIDFFRPPRGDWLRQVSDFHV´

49 & 50. CSR 2021
&RPPRQ6WUXFWXUDO5XOHV &65 FRQVLVWRIWZRSDUWV3DUW2QHSURYLGHVUHTXLUHPHQWVFRPPRQWRERWK'RXEOH+XOO2LO7DQNHUVDQG%XON&DUULHUVDQG3DUW7ZRSURYLGHVDGGLWLRQDOUHTXLUHPHQWVDSSOLHGWRHLWKHU'RXEOH+XOO2LO7DQNHUVRU%XON&DUULHUV7KHFRQVROLGDWHGYHUVLRQRI&65ZDVLVVXHGLQ0DUFKDQGFDPHLQWRIRUFHRQ-XO\5XOH&KDQJH1RWLFH 5&1 
8UJHQW5XOH&KDQJH1RWLFH 85&1 DQG&RUULJHQGDWR&65YHUVLRQZHUHSXEOLVKHGDVRXWFRPHVRIUHJXODU&65PDLQWHQDQFH

Summary of New/Revisions to IACS Procedural Requirements published in 2021
New

Index

RevisedCorrigenda

Deleted/Withdrawn
Implemention
Date

Resolution no.

Revision

Adoption

Title

1

PR 38

Rev.3

Jan 2021

Procedure for calculation and veriﬁcation of the Energy Eﬃciency Design Index (EEDI)

01 Apr 21

2

PR 1A

Rev.8

Apr 2021

Procedure for Transfer of Class

01 Jan 223

PR 1 Annex

Rev.5

Apr 2021

Annexes to PR1A, PR1B and PR1C

01 Jan 22

1. PR 38 (Rev.3 Jan 2021)
35FRQWDLQVWKHSURFHGXUHIRUFRQGXFWLQJVXUYH\DQGFHUWL¿FDWLRQRI((',LQDFFRUGDQFHZLWK*XLGHOLQHVRQ6XUYH\DQG&HUWL¿FDWLRQRIWKH(QHUJ\(̇FLHQF\'HVLJQ,QGH[ ((', DV
DPHQGHG5HYUHPRYHGLWHPVFRYHUHGE\WKH,02*XLGHOLQHVDQGDGGHGUHIHUHQFH V LQ35WRWKH,02*XLGHOLQHVDVQHFHVVDU\

2. PR 1A (Rev.8 Apr 2021)
35$FRQWDLQVSURFHGXUHVDQGUHTXLUHPHQWVSHUWDLQLQJWRWUDQVIHURIFODVV 72& IURPRQHVRFLHW\WRDQRWKHUVRFLHW\5HYZDVDGRSWHGWRPDNHFOHDUWKDWHYHQDFHUWL¿FDWHLVVXHGIRUDYR\DJHLQDFFRUGDQFHZLWKSDUDJUDSK$EHIRUHWKHFRPSOHWLRQRI72&VKRXOGEHUHSRUWHGE\WKHJDLQLQJVRFLHW\WKURXJK)RUP*3DUW%WRWKHORVLQJVRFLHW\

3. PR 1 Annex (Rev.5 Apr 2021)
35$QQH[FRQWDLQVUHSRUWLQJIRUPVKDUPRQLVDWLRQRIUHSRUWLQJUHYLHZRIYHVVHO¶VUHFRUGVDQGFRQWDFWSRLQWVIRUVRFLHWLHV7KLVUHYLVLRQPDGHFOHDUWKDWHYHQDFHUWL¿FDWHLVVXHGIRUDYR\DJHLQDFFRUGDQFHZLWKSDUDJUDSK$EHIRUHWKHFRPSOHWLRQRI72&VKRXOGEHUHSRUWHGE\WKHJDLQLQJVRFLHW\WKURXJK)RUP*3DUW%WRWKHORVLQJVRFLHW\

4 Addendums to PR 1C, PR 6, PR 10 & PR 10B,$&6KDVEHHQUHJXODUO\UHYLHZLQJ35VDVRQHRIWKHPHDVXUHVVXSSRUWLQJWKH,02¶VFDOOWRKHOSVKLSVVDIHO\UHPDLQLQVHUYLFHLQWKHFRQWH[WRIWKH&29,'SDQGHPLF,QWKHODWHVWUHYLVLRQVWKH
DGGHQGXPWR35&ZLOOUHPDLQLQIRUFHXQWLO0DUFKDQGDGGHQGXPVWR3535 35%ZLOOH[WHQGWR-XQH

62

Summary of New/Revisions to IACS Unified Interpretations published in 2021
New

Index

RevisedCorrigenda

Deleted/Withdrawn
Implemention
Date

Resolution no.

Revision

Adoption

Title

1

UI SC63

DeletedJan 2021

Pre-discharge alarm of ﬁxed gas ﬁre extinguishing systems

2

UI SC156

Rev.2

Jan 2021

Doors in watertight bulkheads of cargo ships and passenger ships

01 Jul 21

3

UI SC11Rev.1

Feb 2021

Precautions against shock, ﬁre and other hazards of electrical origin

01 Jul 22

4

UI GC32

New

Feb 2021

Outer duct in gas fuel piping systems

01 Jul 21

5

UI GC33

New

Feb 2021

Cargo sampling

01 Jul 21

6

UI GC34

New

Feb 2021

Cargo ﬁlters

01 Jul 21

7

UI GC35

New

Feb 2021

Inhibition of cargo pump operation and opening of manifold ESD valves with level alarms overridden

01 Jul 21

8

UI GC36

New

Feb 2021

Oxygen deﬁciency monitoring equipment in a nitrogen generator room area

01 Jul 21

9

UI GC37

New

Feb 2021

Suitable pressure relief system for air inlet, scavenge spaces, exhaust system and crank case

01 Jul 21

10

UI SC57

Rev.2

Feb 2021

Venting, purging, gas freeing and ventilation

01 Jul 22

11

UI SC70

Rev.4

Feb 2021

Cargo tank vent systems and selection of electrical equipment

01 Jul 22

12

UI SC79

Rev.5

Feb 2021

Certiﬁed safe type electrical equipment for ships carrying dangerous goods

01 Jul 22

13

UI SC179

Rev.3

Feb 2021

Dewatering of forward spaces of bulk carriers

01 Jul 22

14

UI SC180

Rev.4

Feb 2021

Hold, ballast and dry space water level detectors and performance standards for water level detectors on bulk carriers
and single hold cargo ships other than bulk carriers

01 Jul 22-

15

UI SC194

Rev.1

Feb 2021

Installation of electrical and electronic appliances on the bridge and vicinity of the bridge

01 Jul 22

16

UI SC274

Rev.1

Feb 2021

Hazardous area classiﬁcation in respect of selection of electrical equipment, cables and wiring and positioning of openings
and air intakes

01 Jul 22

17

UI SC1

Rev.2

Feb 2021

Main source of electrical power

01 Jul 22

18

UI SC10Rev.3

Feb 2021

Precautions against shock, ﬁre and other hazards of electrical origin

01 Jul 2263

of IACS Resolutions published in 2021
Appendix I Summaries
Summary of New/Revisions to IACS Unified Interpretations published in 2021
Index
19

20

64

Resolution no.
UI SC42UI SC43

Implemention
Date

Revision

Adoption

Title

Rev.3

Feb 2021

Precaution against ignition of explosive petrol and air mixture in closed vehicle spaces, closed ro-ro spaces andspecial category spaces

01 Jul 22

Precaution against ignition of explosive petrol and air mixture in closed vehicle spaces, closed ro-ro spaces
and special category spaces

01 Jul 22

Rev.3

Feb 2021

21

UI SC147

Rev.2

Feb 2021

Watertight door closure-

22

UI SC93Rev.2

Feb 2021

Enclosure of stern tubes on cargo ships

01 Jul 21

23

UI LL65

Rev.3

Feb 2021

Ships with assigned or reassigned reduced freeboards and intended to carry deck cargo

01 Jul 21

24

UI GC28

Corr.1

Feb 2021

Guidance for sizing pressure relief systems for interbarrier spaces

01 Jan 21

25

UI SC225

Corr.1Mar 2021

e occupied volume by ﬂooded water of a ﬂooded space in the SOLAS Chapter II-1 (Requlation 2(14))-

26

UI SC61

DeletedMar 2021

Fixed deck foam systems (FSS code, Ch. 14, 2.1.3)-

27

UI HSC5

DeletedMar 2021

Aluminium lube oil sump or tank-

28

UI SC87

Rev.2

Mar 2021

Certiﬁcation of carriage of solid dangerous bulk cargoes-

29

UI SC197

Rev.2

Mar 2021

Non-combustible cargoes (Reg.II-2/10.7.1.4)-

30

UI SC128

DeletedApr 2021

CO2 discharge time (FSS Code, Ch. 5, 2.2.1.2, 2.2.1.6, 2.2.1.7)-

31

UI FTP3

Rev.3

Apr 2021

Fire door

01 Jan 22

32

UI LL8Rev.2

Apr 2021

Miscellaneous openings in freeboard and superstructure decks (Regulation 18(2) & 18(3))

01 Jul 22

33

UI SC161

Rev.2

Apr 2021

Timber deck cargo in the context of damage stability requirements

01 Jul 22

34

UI SC49

Rev.3

May 2021

Fire protection arrangements in cargo spaces

01 Jul 22

35

UI SC85

Rev.2

May 2021

Ro-ro space

01 Jul 22

36

UI MPC11

Corr.1

Jun 2021

Interpretation to MARPOL I/27-

37

UI LL50

Rev.6

Jun 2021

Protection of crew (1966 Load Line Convention Regulation 25(4), 26(2) and 27(7), 1988 Protocol Regulation 25(4), 26(2)and 27(8) and SOLAS II-1/3-3)-

Implemention
Date

Index

Resolution no.

Revision

Adoption

Title

38

UI LL35

DeletedJun 2021

Stowage of timber deck cargo on ships having timber freeboards assigned (Regulations 44 and 45)

39

UI SC64

Rev.2

Jun 2021

Fire dampers in ventilation ducts

01 Jul 2240

UI SC146

Rev.2

Jun 2021

Fire hose couplings and nozzles

01 Jul 22

41

UI SC295

New

Jul 2021

Interpretation of performance standards for ﬂoat-free emergency position-indicating radio beacons (EPIRBs)
operating on 406 MHz (resolution MSC.471(101))

01 Jul 22-

42

UI SC126

Corr.1Aug 2021

Fire protection materials for cargo ships (SOLAS regulations II-2/4.4.4, 5.3, 6.2.1 and 6.3.1)-

43

UI SC170

Deleted

Aug 2021

Low pressure CO2 systems

01 Jul 22

44

UI SC213

Rev.5

Sep 2021

Arrangements for remotely located survival cra

01 Jan 23

45

UI SC154

Corr.1

Sep 2021

Provision of detailed information on speciﬁc cargo hold ﬂooding scenarios (SOLAS XII/9.3)-

46

UI SC159

Corr.1

Sep 2021

Equivalent protection SOLAS II-2/10.7.2-

47

UI SC167

Rev.1 Corr.1

Nov 2021

Electrical distribution boards-

48

UI SC169

Rev.1

Nov 2021

Foam systems positions of a monitors

01 Jan 23

49

UI HSC1

DeletedNov 2021

Cupboards as part of the space

01 Jul 22

50

UI HSC2

DeletedNov 2021

Classiﬁcation of stairways

01 Jul 22

51

UI HSC3

DeletedNov 2021

Public spaces extending over two decks

01 Jul 22

52

UI HSC4

DeletedNov 2021

Ventilation grille in toilet entrance door

01 Jul 22

53

UI HSC6

Rev.1

Nov 2021

Protection of propeller shas

01 Jul 22

54

UI LL15

Rev.4

Nov 2021

Length of superstructure (Regulation 34(1) and 34(2))

01 Jan 22

55

UI LL55

Rev.1 Corr.1

Dec 2021

Least moulded depth for a ship with a rake of keel (Regulation 3(1))-

56

UI LL77

New Corr.1

Dec 2021

Application of load line requirements to conversions of single-hull oil tankers to double-hull oil tankers or bulk carriers-

65

of IACS Resolutions published in 2021
Appendix I Summaries
Summary of New/Revisions to IACS Unified Interpretations published in 2021
1. UI SC63 (Del Jan 2021)
7KLV8,ZDVGHOHWHGDVWKHFRQWHQWRIWKLV8,KDVEHHQFRQVROLGDWHGLQWR)66&RGH&KDPHQGHGE\5HVROXWLRQ06&  DGRSWHGRQ0D\

2. UI SC156 (Rev.2 Jan 2021)
8,6&SHUWDLQVWRGRRUVORFDWHGLQWKHZD\RILQWHUQDOZDWHUWLJKWVXEGLYLVLRQERXQGDULHVDQGWKHH[WHUQDOZDWHUWLJKWERXQGDULHVQHFHVVDU\WRHQVXUHFRPSOLDQFHZLWKWKHUHOHYDQWVXEGLYLVLRQDQGGDPDJHVWDELOLW\UHJXODWLRQV7KLVUHYLVLRQSURYLGHVFRQVHTXHQWLDOPRGL¿FDWLRQVFRPLQJIURPWKHDPHQGPHQWVWRWKH,02FLUFXODU06&&LUFZKLFKLVWKH,02YHUVLRQRIWKH8QL¿HG
Interpretation.

3. UI SC11 (Rev.1 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQIRU5HJXODWLRQRI62/$6&KDSWHU,,DVDPHQGHGE\,02UHVROXWLRQVXSWR06&  RQSUHFDXWLRQVDJDLQVWVKRFN¿UHDQGRWKHUKD]DUGVRIHOHFWULFDORULJLQ7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV7KHUHIHUHQFHWRUHJXODWLRQVWR62/$6&KDSWHU,,KDVDOVREHHQFRUUHFWHG

4. UI GC32 (New Feb 2021)
8,*&SURYLGHVD8QL¿HG,QWHUSUHWDWLRQRIWKHZRUGLQJ³GHVLJQSUHVVXUHRIWKHRXWHUSLSHRUGXFW´LQSDUDJUDSKVRIWKH,*&&RGHDQGRIWKHZRUGLQJ³PD[LPXPSUHVVXUHDWJDVSLSHUXSWXUH´LQSDUDJUDSKRIWKH,*&&RGH

5. UI GC33 (New Feb 2021)
8,*&SURYLGHVD8QL¿HG,QWHUSUHWDWLRQRQWKHVFRSHRIDSSOLFDWLRQRIWKHUHTXLUHPHQWVLQSDUDJUDSKVDQGRIWKH,*&&RGH

6. UI GC34 (New Feb 2021)
8,*&SURYLGHVD8QL¿HG,QWHUSUHWDWLRQRIWKHUHTXLUHPHQWRQFDUJR¿OWHUVLQSDUDJUDSKRIWKH,*&&RGH

7. UI GC35 (New Feb 2021)
8,*&SURYLGHVD8QL¿HG,QWHUSUHWDWLRQRI7DEOH1RWHDQGSDUDJUDSKRIWKH,*&&RGHRQWKHQHHGRIDKDUGZDUHV\VWHPVXFKDVDQHOHFWULFRUPHFKDQLFDOLQWHUORFNLQJGHYLFHLVWREH
SURYLGHGWRSUHYHQWLQDGYHUWHQWRSHUDWLRQRIFDUJRSXPSVDQGLQDGYHUWHQWRSHQLQJRIPDQLIROG(6'YDOYHV

8. UI GC36 (New Feb 2021)
8,*&SURYLGHVD8QL¿HG,QWHUSUHWDWLRQRQWKHFDVHVZKHUHR[\JHQGH¿FLHQF\PRQLWRULQJLVUHTXLUHGLQSDUDJUDSKRIWKH,*&&RGH

9. UI GC37 (New Feb 2021)
8,*&SURYLGHVD8QL¿HG,QWHUSUHWDWLRQRIWKH&RGHUHTXLUHPHQWVLQSDUDJUDSKWRFODULI\DFULWHULRQRQWKHQHHGWRSURYLGHDVXLWDEOHSUHVVXUHUHOLHIV\VWHPIRUDLULQOHWVFDYHQJHVSDFHVH[KDXVWV\VWHPDQGFUDQNFDVH

66

10. UI SC57 (Rev.2 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI5HJXODWLRQVDQGRI62/$6&KDSWHU,,RQHQFORVHGVSDFHVFRQWDLQLQJDVRXUFHRILJQLWLRQ7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

11. UI SC70 (Rev.4 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI5HJXODWLRQVDQGRI62/$6&KDSWHU,,RQRSHQLQJVIRUVPDOOÀRZE\WKHUPDOYDULDWLRQV7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

12. UI SC79 (Rev.5 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQIRU5HJXODWLRQRI62/$6&KDSWHU,,RQFHUWL¿HGVDIHW\SHHOHFWULFDOHTXLSPHQWIRUVKLSVFDUU\LQJGDQJHURXVJRRGV7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

13. UI SC179 (Rev.3 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQIRU5HJXODWLRQRI62/$6&KDSWHU;,,RQGUDLQLQJDQGSXPSLQJRIIRUZDUGVSDFHVRIEXONFDUULHUV7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

14. UI SC180 (Rev.4 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQIRU5HJXODWLRQRI62/$6&KDSWHU,,RQZDWHUOHYHOGHWHFWRUVDQGSHUIRUPDQFHVWDQGDUGVIRUZDWHUOHYHOGHWHFWRUVRQEXONFDUULHUVDQGVLQJOHKROGFDUJRVKLSVRWKHUWKDQEXONFDUULHUV7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

15. UI SC194 (Rev.1 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI5HJXODWLRQRI62/$6&KDSWHU9RQLQVWDOODWLRQRIHOHFWULFDODQGHOHFWURQLFDSSOLDQFHVRQWKHEULGJHDQGYLFLQLW\RIWKHEULGJH7KLVUHYLVLRQKDVEHHQXSGDWHG
WRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

16. UI SC274 (Rev.1 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI62/$6UHJXODWLRQ,,WRFODULI\WKDWSUHVFULSWLYHUHTXLUHPHQWVLQ62/$6DQGUHODWHG&RGHVWDNHSUHFHGHQFHDQGDUHWREHDSSOLHGLIGLVFUHSDQFLHVDUHIRXQG
ZLWKRWKHUUHTXLUHPHQWVLQFOXGLQJWKRVHSXEOLVKHGE\,(&7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWVDQGFODULI\WKDWWKHUHYLVLRQDSSOLHVWRQHZVKLSVRQO\

17. UI SC1 (Rev.2 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI62/$65HJXODWLRQRQDUUDQJHPHQWVRIDVKLS¶VPDLQVRXUFHRIHOHFWULFDOSRZHU7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDO
instruments.

18. UI SC10 (Rev.3 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI5HJXODWLRQRI62/$6&KDSWHU,,WRFODULI\KRZWKHUHJXODWLRQVPD\EHDFKLHYHG7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDO
instruments.

67

of IACS Resolutions published in 2021
Appendix I Summaries
Summary of New/Revisions to IACS Unified Requirements published in 2021
19. UI SC42 (Rev.3 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI5HJXODWLRQRI62/$6&KDSWHU,,WRFODULI\UHODWHG,(&UHTXLUHPHQWVWKDWFDQEHXVHGWRVDWLVI\WKH62/$6UHTXLUHPHQWWRSUHYHQWWKHHVFDSHRIVSDUNV7KLVUHYLVLRQKDVEHHQXSGDWHGWRXQLI\WKHZD\WRUHIHUWRH[WHUQDOLQVWUXPHQWV

20. UI SC43 (Rev.3 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRQGH¿QLWLRQRI5HJXODWLRQVDQGRI62/$6&KDSWHU,,WRFODULI\WKDWVDIHHTXLSPHQWWREHFHUWL¿HGVKDOOPHHWWKHUHOHYDQW,(&UHTXLUHPHQWV7KLVUHYLVLRQKDVXSGDWHGWKHUHIHUHQFHVWR62/$6

21. UI SC147 (Rev.2 Feb 2021)
8,6&SURYLGHVFODULW\WRWKHUHTXLUHPHQWRIZDWHUWLJKWGRRUFORVXUHLQFDVHRI¿UHGHWHFWLRQIRU)66&RGH&K7KLVUHYLVLRQDLPVDWFODULI\LQJFORVLQJUHTXLUHPHQWVIRUZDWHUWLJKWGRRUVDOVR
VHUYLQJDV¿UHGRRUV

22. UI SC93 (Rev.2 Feb 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI62/$6&KDSWHU,,5HJXODWLRQRQHQFORVXUHRIVWHUQWXEHVRQFDUJRVKLSV7KLVUHYLVLRQKDVXSGDWHGWKHUHIHUHQFHVUHÀHFWLQJWKDW&KDSWHU,,RI62/$6
KDVEHHQDPHQGHGE\06&  DQGDGRSWHGRQ-XQH

23. UI LL65 (Rev.3 Feb 2021)
8,//SHUWDLQVWRVKLSVLQWHQGHGWRFDUU\GHFNFDUJRDQGDVVLJQHGRUUHDVVLJQHGUHGXFHGIUHHERDUGVLQDFFRUGDQFHZLWK5HJXODWLRQRIWKH,QWHUQDWLRQDO&RQYHQWLRQRQ/RDG/LQHV&KDQJHV
KDYHEHHQPDGHLQWKLVUHYLVLRQDVWKHWH[WRI62/$6&KDSWHU,,5HJXODWLRQKDVEHHQDPHQGHGE\,025HVROXWLRQ06&  DQGIRRWQRWHVDQGLQ62/$6,,KDYHEHHQLQFOXGHGGLUHFWO\LQWKHWH[WRI5HJXODWLRQ

24. UI GC28 (Corr.1 Feb 2021)
8,*&SURYLGHVLQWHUSUHWDWLRQRIWKHVHFRQGVHQWHQFHRISDUDJUDSKRIWKH,02,*&&RGHWRR̆HUJXLGDQFHIRUVL]LQJSUHVVXUHUHOLHIV\VWHPVIRULQWHUEDUULHUVSDFHV7KH&RUUWR5HYKDV
changed the implementation date from 1 January 2020 to 1 January 2021.

25. UI SC225 (Corr.1 Mar 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRIWKHRFFXSLHGYROXPHE\ÀRRGHGZDWHURIDÀRRGHGVSDFHLQ5HJ  RI62/$6&KDSWHU,,7KLVUHYLVLRQKDVEHHQXSGDWHGWRUHIHUWRWKHDVVRFLDWHG,02
Circular.

26. UI SC61 (Del Mar 2021)
8,6&ZDVGHOHWHGDVPRVWRIWKHFRQWHQWVKDYHEHHQLQFOXGHGLQDPDQGDWRU\,02LQVWUXPHQW WKH)66&RGH 

27. UI HSC5 (Del Mar 2021)
UI HSC5 was deleted as the content of this UI has already been incorporated in the amendments to the 2000 HSC Code.

6828. UI SC87 (Rev.2 Mar 2021)
8,6&SURYLGHVWKHLQWHUSUHWDWLRQRIUHTXLUHPHQWVWR62/$65HJV,,DQGUHODWLQJWRFHUWL¿FDWLRQIRUFDUULDJHRIVROLGGDQJHURXVEXONFDUJRHV,WKDVEHHQUHYLVHGWRUHIHUWRWKHIMSBC Code rather than the BC Code.

29. UI SC197 (Rev.2 Mar 2021)
8,6&SURYLGHVFODULW\UHJDUGLQJWKHH[HPSWLRQIURPWKHUHTXLUHPHQWVRI5HJ,,DQG5HJ,,DVSURYLVLRQHGE\62/$6UHJXODWLRQ,,7KH8,KLJKOLJKWVWKDWWKH
PDWHULDOVVWDWHGLQ3DUDJUDSK 1RQFRPEXVWLEOHPDWHULDOV RI$QQH[WRWKH)73&RGHQHHGQRWEHPHQWLRQHGRQWKHH[HPSWLRQFHUWL¿FDWHVLVVXHGXQGHUWKLVUHJXODWLRQ7KLVUHYLVLRQXSGDWHVWKH62/$6WH[WDQGWKHUHIHUHQFHWRWKH)73&RGH

30. UI SC128 (Del Apr 2021)
8,6&ZDVGHOHWHGDVUHVSHFWLYHUHTXLUHPHQWVKDGEHHQGHOHWHGIURP62/$6&KDSWHU,,DQGUHLQWURGXFHGLQ)66&RGH&KDSWHU7KH)66&RGHUHTXLUHPHQWVKDYHLQFOXGHGDUHTXLUHPHQWWRSHUIRUPV\VWHPÀRZFDOFXODWLRQVWKHUHIRUHWKH8,FRXOGEHGHOHWHG

31. UI FTP3 (Rev.3 Apr 2021)8,)73SURYLGHVLQWHUSUHWDWLRQRI)73&RGHVXEVHFWLRQDQG$QQH[3DUWRQ7HVWIRU³$´³%´DQG³)´FODVVGLYLVLRQV7KLVUHYLVLRQKDVEHHQXSGDWHGWRIXUWKHUKDUPRQLVHZLWK06&
Circ.1319.

32. UI LL8 (Rev.2 Apr 2021)
8,//SURYLGHVLQWHUSUHWDWLRQRIUHTXLUHPHQWVRIPLVFHOODQHRXVRSHQLQJVLQIUHHERDUGDQGVXSHUVWUXFWXUHGHFNVIRU5HJXODWLRQ  DQG  RIWKH,QWHUQDWLRQDO&RQYHQWLRQRQ/RDG/LQHV
7KLVUHYLVLRQKDVXSGDWHGWKHDSSOLFDWLRQVWDWHPHQWVWRFODULI\WKHUHOHYDQFHWRWKHDPHQGHG3URWRFRO

33. UI SC161 (Rev.2 Apr 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI62/$65HJXODWLRQ,,RQVWDELOLW\UHTXLUHPHQWVRIWLPEHUGHFNFDUJRLQWKHFRQWH[WRIGDPDJH7KLVUHYLVLRQKDVEHHQXSGDWHGWRFRQVLGHUWKHQHZ7'&
FRGH 5HVROXWLRQ$  DQG62/$6DPHQGPHQWV 5HVROXWLRQ06&  

34. UI SC49 (Rev.3 May 2021)
8,6&SURYLGHVD8QL¿HG,QWHUSUHWDWLRQRIWKHUHTXLUHPHQWVRI62/$65HJXODWLRQ,,7KLVUHYLVLRQXSGDWHVWKH62/$6WH[WEHLQJLQWHUSUHWHGE\WKH8,LQOLQHZLWKWKHODWHVW62/$6
DPHQGHGWH[WV

35. UI SC85 (Rev.2 May 2021)
8,6&SURYLGHVFODULW\WRWKHGH¿QLWLRQVRIURURVSDFHVLQ62/$6UHJXODWLRQ,,7KLVUHYLVLRQKDVEHHQXSGDWHGWRXWLOLVHWKHQHZIRUPDWDQGFRUUHFWVWKH62/$6UHIHUHQFHV

36. UI MPC11 (Corr.1 Jun 2021)
8,03&SURYLGHVLQWHUSUHWDWLRQWR0$532/,7KH&RUUWR5HYKDVEHHQXSGDWHGWRDOLJQZLWK0(3&&LUF

69

of IACS Resolutions published in 2021
Appendix I Summaries
Summary of New/Revisions to IACS Unified Requirements published in 2021
37. UI LL50 (Rev.6 Jun 2021)
8,//SURYLGHVLQWHUSUHWDWLRQWR5HJXODWLRQ    DQG  RIWKH,&//5HJXODWLRQ    DQG  RIWKH3URWRFRODVZHOODV5HJXODWLRQ,,RI62/$6RQ
SURWHFWLRQPHDVXUHVRIFUHZ7KLVUHYLVLRQKDVEHHQXSGDWHGWRFODULI\WKHDSSOLFDWLRQRIWKH5HVROXWLRQWRHDFKRIWKHH[LVWLQJYHUVLRQVRIWKH,&//

38. UI LL35 (Del Jun 2021)
8,//ZDVGHOHWHGDQGFRQYHUWHGLQWR5HFRPPHQGDWLRQ

39. UI SC64 (Rev.2 Jun 2021)
8,6&SURYLGHVFODUL¿FDWLRQRI62/$6,,7KLVUHYLVLRQKDVEHHQXSGDWHGWRUHÀHFWDPHQGPHQWVWR62/$6ZKLFKZHUHLQWURGXFHGE\5HVROXWLRQ06&  

40. UI SC146 (Rev.2 Jun 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI62/$6FKDSWHU,,UHJXODWLRQRQ¿UHKRVHFRXSOLQJVDQGQR]]OHV7KLVUHYLVLRQKDVEHHQXSGDWHGWRGHOHWHLUUHOHYDQWZRUGLQJLQ62/$6UHJXODWLRQ,,
2/10.2.3.

41. UI SC295 (New Jul 2021)
8,6&SURYLGHVFODULW\WRWKHSKUDVH³LQVWDOOHGRQRUDIWHU´LQSDUDJUDSKRIUHVROXWLRQ06&  

42. UI SC126 (Corr.1 Aug 2021)
8,6&SURYLGHVD8QL¿HG,QWHUSUHWDWLRQRIWKHUHTXLUHPHQWVRI62/$65HJXODWLRQV,,DQG&RUUWR5HYKDVEHHQXSGDWHGWRFRUUHFWDUHIHUHQFHWR62/$6
UHTXLUHPHQW

43. UI SC170 (Del Aug 2021)
8,6&ZDVGHOHWHGDVWKHUHTXLUHPHQWVKDYHEHHQLQFOXGHGLQWKH)66&RGHDQGLQ,$&685)

44. UI SC213 (Rev.5 Sep 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI62/$65HJXODWLRQV,,,,,,,,,,,,,,,,,,DQG/6$&RGHSDUDJUDSKRQDUUDQJHPHQWVIRUUHPRWHO\ORFDWHGVXUYLYDO
craft. This revision has been updated to align with MSC.1/Circ.1490/Rev.1.

45. UI SC154 (Corr.1 Sep 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI5HJXODWLRQRI62/$6FKDSWHU;,,RQWKHSURYLVLRQRIGHWDLOHGLQIRUPDWLRQRQVSHFL¿FFDUJRKROGÀRRGLQJVFHQDULRV&RUUWR1HZKDVXSGDWHGWKH
UHIHUHQFHVWRUHODWHG62/$6UHTXLUHPHQWV

46. UI SC159 (Corr.1 Sep 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI5HJXODWLRQRI62/$6&KDSWHU,,RQHTXLYDOHQWSURWHFWLRQIRUDVKLSHQJDJHGLQWKHFDUULDJHRIGDQJHURXVJRRGVLQDQ\FDUJRVSDFHV7KH&RUUWR5HY
KDVEHHQXSGDWHGWRFRUUHFWUHIHUHQFHVWR,02GRFXPHQWV2WKHUHGLWRULDODPHQGPHQWVKDYHEHHQPDGHWRLQFOXGHWKHWH[WRIWKH62/$65HJXODWLRQEHLQJLQWHUSUHWHG
70

47. UI SC167 (Corr.1 Nov 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI62/$6FKDSWHU,,5HJXODWLRQV      DQG  RQHOHFWULFDOGLVWULEXWLRQERDUGV7KH&RUUWR5HYKDVEHHQXSGDWHGWRFRUUHFWDUHIHUHQFHWR62/$6

48. UI SC169 (Rev.1 Nov 2021)
8,6&SURYLGHVLQWHUSUHWDWLRQRI62/$6FKDSWHU,,5HJXODWLRQRQ¿[HGGHFNIRDP¿UHH[WLQJXLVKLQJV\VWHPV7KHUHYLVLRQKDVEHHQXSGDWHGWRDOLJQLWZLWKWKHODWHVWDPHQGHG,02
regulation.

49. UI HSC1 (Del Nov 2021)
UI HSC1 was deleted with implementation set for 1 July 2022 as it has been included in 2000 HSC Code.

50. UI HSC2 (Del Nov 2021)
UI HSC2 was deleted with implementation set for 1 July 2022 as it has been included in 2000 HSC Code.

51. UI HSC3 (Del Nov 2021)
UI HSC3 was deleted with implementation set for 1 July 2022 as it has been included in 2000 HSC Code.

52. UI HSC4 (Del Nov 2021)
UI HSC4 was deleted with implementation set for 1 July 2022 as it has been included in 2000 HSC Code.

53. UI HSC6 (Rev.1 Nov 2021)
8,+6&SURYLGHVLQWHUSUHWDWLRQRISDUDJUDSKRIWKH+LJK6SHHG&UDIW&RGH&KDSWHUSDUW%6HFWLRQRQWKHPHDQVIRUUHWXUQWRDSRUWRIUHIXJHIRUFDWHJRU\%FUDIW7KLVUHYLVLRQKDV
been updated to include a correct reference to the 2000 HSC Code.

54. UI LL15 (Rev.4 Nov 2021)
8,//SURYLGHVLQWHUSUHWDWLRQRIWKH,QWHUQDWLRQDO&RQYHQWLRQRQ/RDG/LQHV5HJXODWLRQV  DQG  DQGWKH3URWRFROUHODWLQJWRWKH,QWHUQDWLRQDO&RQYHQWLRQRQ/RDG
/LQHVRQOHQJWKRIVXSHUVWUXFWXUH7KLVUHYLVLRQKDVEHHQUHYLVHGWRGLVWLQJXLVKDSSOLFDELOLW\RISDUWVRIWKH8,WRGL̆HUHQW,&//DPHQGPHQWV

55. UI LL55 (Corr.1 Dec 2021)
8,//SURYLGHVLQWHUSUHWDWLRQRISDUDJUDSK  RIWKH,QWHUQDWLRQDO&RQYHQWLRQRQ/RDG/LQHVRQPRXOGHGGHSWKIRUDVKLSZLWKDUDNHRINHHO7KH&RUUWR5HYKDVEHHQUHYLVHGWRUHLQVWDWHD
missed diagram.

56. UI LL77 (Corr.1 Dec 2021)
8,//FODUL¿HVWKHDSSOLFDWLRQRIORDGOLQHUHJXODWLRQVWRFRQYHUVLRQVIROORZLQJGLVFXVVLRQVKHOGLQ,$&6DQGDW,027KH&RUUWR1HZKDVEHHQXSGDWHGWRFRUUHFWWKHUHIHUHQFHWRFLUFXODU
IURP06&0(3&&LUFWR06&&LUF
71