Weights and Measures Regulations 1999

  • not the latest version

Reprint as at 1 October 2012

Weights and Measures Regulations 1999

(SR 1999/373)

Michael Hardie Boys, Governor-General

Order in Council

At Wellington this 18th day of October 1999

His Excellency the Governor-General in Council


Changes authorised by section 17C of the Acts and Regulations Publication Act 1989 have been made in this reprint.

A general outline of these changes is set out in the notes at the end of this reprint, together with other explanatory material about this reprint.

These regulations are administered by the Ministry of Business, Innovation and Employment.

Pursuant to sections 41 and 42 of the Weights and Measures Act 1987, His Excellency the Governor-General, acting by and with the advice and consent of the Executive Council, makes the following regulations.


1 Title and commencement

2 Interpretation

Part 1
Verification of weights and measures

Approval of types of weights and measures

3 Applications for approval

4 Fees

5 Grant of approval

6 Weights, measures, etc, approved by overseas weights and measures authority

7 Offence

8 Withdrawal of approval

Verification and stamping

9 General requirements

10 Inspector may require instrument to be dismantled

11 Inspector may require assistance

12 Disturbing influences

13 Tested and approved weights, etc, to be stamped

14 Mark of verification

15 Obliteration

Part 2
Accreditation of persons

16 Interpretation

17 Requirements for accreditation

18 Letters of accreditation

19 Identifiers

Part 3
Certificates of accuracy

20 Issue of certificates of accuracy

21 Duration of certificates of accuracy

22 Form of certificates of accuracy

23 Cancellation of certificates of accuracy

Part 4
General requirements for weights, measures, and weighing or measuring instruments


24 Permissible numerical values

25 Marking of units of weight or measurement


26 General requirements for carat metric weights

27 General requirements for weights other than carat metric weights

28 Permissible error

Measures of length

29 All graduations to be verified

30 Accuracy classes

31 Permissible error

32 Permissible error in relation to end surfaces

33 Verification

Measures of volume

34 Stamping of measures of volume

35 Testing measures of volume

Spirit dispensers

36 Permissible error

Milk and cream bottles

37 General requirements

38 Permissible error

39 Milk and cream bottles manufactured in batches

Oil bottles

40 General

41 Permissible error

Milk delivery measures

42 General requirements

43 Permissible error

Beer delivery measures

44 General requirements

45 Metal displacements

46 Beer delivery measures required to measure in excess

Cubic measures

47 Permissible error

Weighing instruments

48 General requirements

49 Use of counterpoise or travelling poise

50 Loose counterpoise weights

51 Non-automatic weighing instruments

52 Accuracy classes

53 Verification scale interval

54 Permissible error

55 Zero-setting devices

56 Sensitivity

57 Discrimination

58 Repeatability

59 Test loads

60 Eccentricity tests

Semi-automatic weighing instruments

61 Semi-automatic weighing instruments

Belt weighers

62 Belt weighers

63 Testing and inspection of belt weighers

64 Discrimination

65 Permissible error


66 Weighbridges

Measuring instruments

67 General requirement

68 Accuracy classes

69 Fixed liquid fuel measuring instruments

70 Liquid fuel measuring instruments dispensing LPG

71 Liquid fuel measuring instruments fitted on delivery vehicles

72 Fixed oil measuring instruments

73 Permissible error

Direct mass flow measuring instruments

74 Direct mass flow measuring instruments

Length measuring instruments

75 Length measuring instruments

76 Leather measuring instruments

Multidimensional measuring instruments

77 Multidimensional measuring instruments

Miscellaneous weighing or measuring instruments

78 Miscellaneous weighing or measuring instruments

Part 5
Method of marking net weight or measure on goods

79 Marking of net weight or measure on goods

79A General requirement to mark quantity on packages of food

79B Additional requirement for marking on outer packaging

79C Exemptions from regulations 79A and 79B

80 Offences

Part 6
Solid fuel

81 Solid fuel to be sold by weight

82 Solid fuel sold in open sacks

83 Delivery loose in bulk

84 Offences

Part 6A
Average quantity system

84A Interpretation

84B Weight, measure, or number of goods deemed to be in accordance with stated quantity

84C Non-standard package

84D Inadequate package

84E Selection of sample

84F Weighted average quantity

Part 7
Miscellaneous provisions

Weighing instruments used in abattoirs

85 Weighing instruments used in abattoirs

Infringement offences

86 Infringement offences


87 Inspectors' certificates of appointment

88 Warrant to enter dwellinghouse [Revoked]

89 Notices of non-compliance

90 Infringement notices


91 Revocations

Schedule 1
Permissible numerical values of weights and measures

Schedule 2
Permissible abbreviations of units of weight and measurement

Schedule 3
Errors permissible on verification or inspection

Schedule 4
Weighing instruments: Scale intervals

Schedule 5

Schedule 6
Shape of weights of 1 g or less

Schedule 7
Requirements for quality management system to be operated by accredited persons

Schedule 7A
Average quantity system

Schedule 8
Regulations revoked

Gazette information

Reprint notes