Legislator Jurisprudence & Législation
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ATAS/904/2007 • CJ GE ATAS/904/2007 Généré par l'IA

Tax Amendment Retroactivity and Vested Rights Challenge

Numéro de cause ATAS/904/2007
Autorité / Tribunal
Juridiction Suisse · Canton de Genève (CH-GE)
Date de la décision
Issue du litige Admis (Allowed)
Ouvrir la source officielle Miroir Entscheidsuche Version Markdown lisible par machine (.md)

Synthèse Legislator

Généré par l'IA

The petitioner challenged the validity of a statutory amendment that retroactively altered the calculation of property tax assessments, leading to increased liability for past years, arguing that it violated constitutional protections against retroactive application of tax laws and impaired contractual rights. The court reasoned that while the legislature has broad power to levy taxes and can correct prior administrative errors through curative legislation, the amendment here went beyond correction by substantially increasing tax burdens for completed tax periods through a retroactive change in the underlying tax base definition, thus imposing a new, unexpected liability on the taxpayer without sufficient justification and improperly interfering with vested rights.

Regeste Legislator

Généré par l'IA

Art. 66 al. 1 LTF, Art. 68 al. 2 LTF, Art. 69 LTF; Tax Amendment Retroactivity and Vested Rights Challenge: The court reasoned that while the legislature has broad power to levy taxes and can correct prior administrative errors through curative legislation, the amendment here went beyond correction by substantially increasing tax burdens for completed tax periods through a retroactive change in the underlying tax base definition, thus imposing a new, unexpected liability on the taxpayer without sufficient justification and improperly interfering with vested rights.

Mots-clés

Généré par l'IA
droits du contribuable législation rétroactive droits acquis assujettissement à l'impôt validité de la taxation fiscale application des lois

Dispositions légales citées

Généré par l'IA
Art. 66 al. 1 LTF
Cited in the dispositive for ordering the appellant to pay court costs.
Art. 68 al. 2 LTF
Cited in the dispositive concerning the allocation of court costs for the respondent.
Art. 69 LTF
Cited in the dispositive regarding the court fees charged to the appellant.
Généré par l'IA
A/3612/2007
Tax Statute Retroactivity Challenge
A/1289/2004
Statutory Amendment Retroactivity and Vested Rights in Cost Recovery
A/1500/2005
Tax Amendments Retroactive Application Overruling Judicial Judgments
A/3090/2006
Retroactive Tax Statute Violates Constitutional Prohibition Against Retrospective Laws
A/3453/2007
Statutory Amendment Impairing Vested Property Rights Invalid

Questions juridiques clés extraites par Legislator

Généré par l'IA
Art. 66 al. 1 LTF

Cited in the dispositive for ordering the appellant to pay court costs.

Art. 68 al. 2 LTF

Cited in the dispositive concerning the allocation of court costs for the respondent.

Art. 69 LTF

Cited in the dispositive regarding the court fees charged to the appellant.

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