Ponsonby Rule

proper noun

A constitutional convention (which acquired legal force in 2010) dictating that most international treaties had to be laid before Parliament 21 days before ratification.

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Meanings

proper nounthe Ponsonby Rule
  1. UKgovernmentA constitutional convention (which acquired legal force in 2010) dictating that most international treaties had to be laid before Parliament 21 days before ratification.

Origin

Named after British politician and legislator Arthur Ponsonby, 1st Baron Ponsonby of Shulbrede.

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Cite this entry
APA

Ponsonby Rule. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Ponsonby%20Rule

MLA

“Ponsonby Rule.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Ponsonby%20Rule. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Ponsonby Rule,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Ponsonby%20Rule.

Source: Ponsonby Rule on Wiktionary, CC BY-SA 4.0.