Article 62.
This Constitution shall come into operation
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i:
on the day following the expiration of a period of one hundred and eighty days after its approval by the people signified by a majority of the votes cast at a plebiscite thereon held in accordance with law, or,
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ii:
on such earlier day after such approval as may be fixed by a resolution of Dáil Éireann elected at the general election the polling for which shall have taken place on the same day as the said plebiscite.