Weights and Measures Act 1987

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Reprint as at 18 December 2013

Weights and Measures Act 1987

Public Act1987 No 15
Date of assent16 March 1987
Commencementsee section 1(2)


Changes authorised by subpart 2 of Part 2 of the Legislation Act 2012 have been made in this reprint.

Note 4 at the end of this reprint provides a list of the amendments incorporated.

This Act is administered by the Ministry of Business, Innovation, and Employment.


Title [Repealed]

1 Short Title and commencement

1A Purpose

2 Interpretation

3 Act to bind the Crown

Part 1
System of weights and measures and standards

Metric system to be used for trade in New Zealand

4 Metric standards of weights and measures

Standards of weights and measures

5 Departmental standards

6 Reference standards

7 Inspectors' working standards

7A Accredited persons' working standards

Part 2
Use of weights and measures for trade

8 Obligations to use metric system of weights and measures

9 Exceptions to obligations to use metric system of weights and measures

10 Obligation to use metric system in advertising goods for sale

11 Exceptions to obligation to use metric weights and measures in advertising goods for sale

Part 3
Sale of goods by weight, measure, or number

12 Obligation to sell goods by net weight or measure

13 Obligation in respect of invoice or delivery note

14 Offences

15 Counting of goods sold by retail

15A Weighing and measuring of goods sold by retail

16 Offence to supply short weight, measure, or number

16A Offence to supply weight, measure, or number not in accordance with stated quantity

17 Offence for purchaser to state incorrect weight, measure, or number

18 Statement of true weight, etc, to be supplied to seller

Part 4
Stamping, verification, and approval of weights and measures

19 Weights and measures to have contents marked

20 Approval of appliances

21 Weights and measures to be stamped with mark of verification

22 Sections 20 and 21 not to apply to automatic weighing or dispensing machines

22A Certificate of accuracy

22B Certificate of accuracy required for certain weighing or measuring instruments

23 Notification of non-compliance

24 Offence to use or possess false or unjust weight or measure

Part 5

Appointment and powers of Inspectors

25 Chief Inspector and Deputy Chief Inspector of Weights and Measures [Repealed]

26 Inspectors of Weights and Measures

27 Certificates of appointment

28 Powers of Inspectors

29 Privilege against self-incrimination

30 Inspector may inspect weights, measures, etc, not used for trade [Repealed]

Accredited persons

30A Appointment of accredited persons

30B Application for accreditation

30C Duration and renewal of accreditation

30D Revocation of accreditation

30DA Suspension of accreditation

30DB Effect of suspension of accreditation

30E Revocation, etc, of conditions

30F Appeals against decisions of Secretary

30G Procedure on appeals

30H Court may refer appeals back for reconsideration

30I Powers of inspection

30J Application of certain Acts to accredited persons

Part 6
Offences and penalties

31 Liability of principal for acts of agents, etc

32 Offences

32A Infringement offences

32B Procedural requirements relating to infringement notices

32BA Effect of infringement notice

32C Payment of infringement fees

33 Penalties

33A Infringement fee [Repealed]

34 Forfeitures

35 Court may order offender to make good any deficiency

36 Proceedings in relation to offences

37 Presumption as to possession of weights, measures, etc, for use for trade

Part 7
Miscellaneous provisions

38 Act not to apply to water, electricity, or gas

39 Restoration of articles seized

40 Disposal of articles seized

40A Compensation for loss of perishable goods

41 Regulations

41A Regulations for purposes of section 16A(3)

41B Regulations relating to infringement fees

42 Fees

43 Repeals, revocations, and consequential amendments

Schedule 1
Weights and measures of the metric system

Schedule 2
Standards of weights and measures

Schedule 3

Reprint notes


  • Title: repealed, on 18 December 2013, by section 4 of the Weights and Measures Amendment Act 2013 (2013 No 145).