# Council Regulation (EC) No 974/98 of 3 May 1998 on the introduction of the euro, Article 9a

Extent: E+W+S+N.I.

The following shall apply in a Member State with a ‘ phasing-out ’ period. In legal instruments created during the phasing-out period and to be performed in that Member State, reference may continue to be made to the national currency unit. These references shall be read as references to the euro unit according to the respective conversion rates. Without prejudice to Article 15, the acts performed under these legal instruments shall be performed only in the euro unit. The rounding rules laid down in Regulation (EC) No 1103/97 shall apply.
The Member State concerned shall limit the application of the first subparagraph to certain types of legal instrument, or to legal instruments adopted in certain fields.
The Member State concerned may shorten the period.

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Source: https://www.legislation.gov.uk/eur/1998/974/article/9a (the official version)
Page: https://openlegislation.uk/eu-regulation-1998-974/article-9a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.