declaration
US /ˌdek.ləˈreɪ.ʃən/
UK /ˌdek.ləˈreɪ.ʃən/

1.
a formal or explicit statement or announcement
:
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The government issued a declaration of emergency.
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She made a public declaration of her intentions.
2.
a formal document embodying such a statement
:
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The Universal Declaration of Human Rights is a landmark document.
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He signed the tax declaration before submitting it.