Efficacy of Tax Norms in Time and Space

Vocabulary flashcards on the temporal and spatial efficacy of Italian tax laws, non-retroactivity, abrogative referendums, and tax residency principles.

Vacatio legis

The period prior to the 15th day following publication in the Gazzetta Ufficiale during which a law is not yet effective.

Article 73 of the Italian Constitution

The constitutional rule stating that laws are published immediately after promulgation and enter into force 15 days after publication, unless a different term is specified.

Article 3, Paragraph 1 of Law 212/2000

The rule in the Taxpayer's Rights Statute establishing that tax provisions do not have retroactive effect, salvo authentic interpretation under Article 1, Paragraph 2.

Article 3, Paragraph 2 of Law 212/2000

The provision establishing that tax modifications apply only starting from the tax period following the one in progress on the date of their entry into force.

Article 3, Paragraph 3 of Law 212/2000

The provision barring tax rules from requiring taxpayer compliance deadlines set earlier than 60 days from their entry into force or implementation adoption.

Article 3, Paragraph 4 of Law 212/2000

The rule stating that terms of prescription and forfeiture for tax assessments cannot be extended.

Authentic Interpretation (Interpretazione autentica)

An exception to non-retroactivity allowed only in exceptional cases and by ordinary law under Article 1, Paragraph 2 of Law 212/2000.

Abrogation (Ex nunc)

The cessation of a law's efficacy from the moment of repeal forward, preserving valid application for tax events occurring prior to repeal.

Declaration of Unconstitutionality (Ex tunc)

The invalidation of a tax law from its origin, allowing taxpayers to seek refunds unless legal relationships are already settled, such as by final judgment or prescription.

Article 75 of the Italian Constitution

The constitutional provision prohibiting abrogative referendums in tax law to guarantee the punctual fulfillment of tax obligations.

Worldwide Taxation Principle

The principle applying Italian tax law to resident individuals or legal entities regardless of where they are located.

Source Taxation Principle (Principio della fonte)

The principle applying Italian tax law to non-residents for income whose source is located within Italian territory.

Tax Residence Threshold (D.lgs. 209/2023)

The rule requiring that residency criteria for an individual or company be satisfied for more than 183 days (the majority of the tax period) to qualify as a tax resident.