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Metrology Act 1996
Number 27 of 1996
METROLOGY ACT 1996
REVISED
Updated to 7 July 2026
This Revised Act is an administrative consolidation of the Metrology Act 1996. It is prepared by the Law Reform Commission in accordance with its function under the Law Reform Commission Act 1975 (3/1975) to keep the law under review and to undertake revision and consolidation of statute law.
All Acts up to and including the Criminal Justice (Terrorist Offences) (Amendment) Act 2026 (19/2026), enacted 7 July 2026, and all statutory instruments up to and including the Finance Act 2025 (Section 45) (Commencement) Order 2026 (S.I. No. 324 of 2026), made 7 July 2026, were considered in the preparation of this Revised Act.
Disclaimer: While every care has been taken in the preparation of this Revised Act, the Law Reform Commission can assume no responsibility for and give no guarantees, undertakings or warranties concerning the accuracy, completeness or up to date nature of the information provided and does not accept any liability whatsoever arising from any errors or omissions. Please notify any errors, omissions and comments by email to revisedacts@lawreform.ie.
Number 27 of 1996
METROLOGY ACT 1996
REVISED
Updated to 7 July 2026
ARRANGEMENT OF SECTIONS
Preliminary
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Section |
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Legal Metrology Service
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Establishment of Legal Metrology Service and Office of Director of Legal Metrology. |
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Control Procedures
Authorised Units and Standards
General
Repeals and Amendments
Denominations of Standard
Definitions of other Units
Number 27 of 1996
METROLOGY ACT 1996
REVISED
Updated to 7 July 2026
AN ACT TO PROVIDE FOR THE ESTABLISHMENT OF A LEGAL METROLOGY SERVICE AND FOR RELATED MATTERS. [31st July, 1996]
BE IT ENACTED BY THE OIREACHTAS AS FOLLOWS:
Annotations
Modifications (not altering text):
C1
Application of Act restricted (6.03.2018) by European Union (Non-Automatic Weighing Instruments) Regulations 2018 (S.I. No. 47 of 2018), reg. 6(3), in operation as per reg. 1(2).
Free movement of instruments
6. ...
(3) Nothing in the Metrology Act 1996 (No. 27 of 1996) or any other enactment or rule of law shall impede the making available on the market or putting into service for the applications referred to in Regulation 3(a) of an instrument where such instrument complies with the Directive.
C2
Application of Act restricted (28.02.2018) by European Communities (Measuring Instruments and Metrological Control) Regulations 2018 (S.I. No. 43 of 2018), reg. 4, in operation as per reg. 1(2).
Metrology Act 1996 and other laws
4. (1) Subject to paragraph (2), nothing in the Metrology Act 1996 (No. 27 of 1996) or any other enactment or rule of law shall prevent, prohibit or restrict the placing on the market or entry into service of an instrument or of a product described in Regulation 3 where that instrument or product bears EC marks or signs in accordance with—
(a) these Regulations or the law of another Member State giving effect to the Metrology Directive, and
(b) the law of the State giving effect to a separate Directive relating to the instrument or product in question or the law of another Member State giving effect to a separate Directive relating to the instrument or product in question.
(2) Where an instrument bears an EC initial verification mark, paragraph (1) shall not apply in respect of that instrument from the end of the year following the year in which that mark was affixed to the instrument or, where the law of the State giving effect to a separate Directive provides for a longer period, from the end of that period.