Keep playing semantics, they violated the NPT by enriching nuclear material, that violated the agreement.
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Treaty on the Non-Proliferation of Nuclear Weapons - Wikipedia
The treaty recognizes the inalienable right of sovereign states to use nuclear energy for peaceful purposes
As the commercially popular light water reactor nuclear power station uses enriched uranium fuel, it follows that states must be able either to enrich uranium or purchase it on an international market.
FYI: Enriching uranium does not violate the NPT.
The agreement provided for 2 light water reactors with fuel.
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