What is AIRE and why is it mandatory for Italian expats in Dubai?

AIRE (Anagrafe Italiani Residenti all'Estero) is Italy's official registry of Italian citizens living abroad. Registration is a legal obligation under Italian law for any Italian citizen residing outside Italy for more than 12 months. From a tax perspective, AIRE registration is critical: Article 2 TUIR provides that persons registered in the Anagrafe (Italian civil registry) are deemed Italian tax-residents. Without AIRE registration, you remain in the Italian Anagrafe and are therefore treated as Italian-tax-resident regardless of physical absence. The Agenzia delle Entrate can and does pursue non-AIRE-registered Italians living abroad for full IRPF on worldwide income.

What is Article 2 TUIR and its three residency tests?

Article 2 of the TUIR (Testo Unico delle Imposte sui Redditi) defines Italian tax residency as applying to any person who satisfies at least one of three tests for the majority of the tax year (183+ days): (1) Registered in the Anagrafe (Italian civil registry); (2) Domicilio in Italy (center of business and interests — where your primary personal, professional, and economic ties are); (3) Residenza (actual residence — dimora abituale, meaning regular physical presence). Breaking all three simultaneously is ideal: deregister from Anagrafe, AIRE-register in Dubai, move center of interests to UAE, and physically spend fewer than 183 days in Italy.

What is Article 166 TUIR exit tax and does it apply to me?

Article 166 TUIR imposes a deemed disposal exit tax when Italian-tax-resident individuals emigrate to non-EU/EEA countries holding substantial shareholdings: more than 20% of an unlisted company, or more than 2% of a listed company. The unrealised gain at market value on the date of departure is taxed at 26% flat (imposta sostitutiva). Moving to the UAE (non-EU) triggers immediate payment obligations. Unlike Germany's §6 AStG, Italian rules apply to a narrower category — only substantial holdings above these thresholds. If you hold shares below these levels, exit tax does not apply. Consult your commercialista 12–18 months before departure to restructure if needed.

What are IVIE and IVAFE and do they apply to Dubai residents?

IVIE (Imposta sul Valore degli Immobili situati all'Estero) is Italy's 0.4–1.06% annual wealth tax on foreign real estate owned by Italian tax-residents. IVAFE (Imposta sul Valore delle Attività Finanziarie detenute all'Estero) is Italy's 0.2% annual wealth tax on foreign financial assets (bank accounts, stocks, bonds held abroad) owned by Italian tax-residents. Both IVIE and IVAFE apply ONLY to Italian tax-residents. Once you have broken Italian tax residency (AIRE-registered, Anagrafe deregistered, below 183 Italian days), IVIE and IVAFE no longer apply. This means your Dubai property, UAE bank accounts, and investment portfolio are free from both levies.

Do I still need to file an Italian tax return after moving to Dubai?

If you have Italian-source income (Italian rental income, dividends from Italian companies, Italian employment days, Italian pension), you must file an annual Modello Redditi PF as a non-resident with the Centro Operativo di Pescara. Italian-source income is not exempt by UAE residency — the DTAA allocates taxing rights based on the type of income, and Italy retains the right to tax most Italian-source income. If you have no Italian-source income whatsoever (sold Italian property, no Italian investments, no Italian employment days, not yet drawing Italian pension), no Italian return is required. In practice, most Italian Dubai expats have at least Italian rental income and do need to file.

What is the Italy-UAE DTAA and how does it protect me?

The Double Taxation Avoidance Agreement between Italy and the UAE (Convention to Avoid Double Taxation) is in force and follows the OECD Model Convention. It prevents double taxation by allocating taxing rights between Italy and UAE. Key allocations: Art. 6 (rental income from Italian property) → Italy; Art. 13 (capital gains on real property) → Italy; Art. 15 (employment income) → country of work performance (UAE if working in Dubai); Art. 18 (pensions) → Italy for Italian state pensions; Art. 11 (interest) → residence country (UAE); Art. 10 (dividends) → shared with limits. A UAE TRC is the document you present to the Agenzia delle Entrate to invoke DTAA protection.

How do I register with AIRE at the Italian consulate in Dubai?

Register at the Consolato Generale d'Italia in Dubai (located in the DIFC area). You must book an appointment (Prenota Online system on the consulate website). Required documents: Italian passport, UAE residence visa, Emirates ID or UAE entry permit, proof of UAE address (Ejari lease contract or tenancy agreement). You declare your UAE address and date of arrival. The consulate forwards your AIRE registration to your previous Italian comune, which deregisters you from the Anagrafe. Processing time: 4–8 weeks typically. Failure to register within 90 days of departure is a violation of Italian law (fine of EUR 200 possible, though rarely enforced for first-time non-registrations).

Is my Italian INPS pension affected by moving to Dubai?

Your Italian state pension rights accrued with INPS (Istituto Nazionale della Previdenza Sociale) are fully preserved when you move to Dubai. You do not lose any accrued INPS years. When you reach retirement age, INPS will pay your pension to any bank account worldwide. However: (1) While in Dubai, you generally cannot make voluntary INPS contributions as a non-resident employee in a non-EU country; (2) Your accrued years remain fully vested; (3) When you draw your INPS pension, it is taxable in Italy under the DTAA regardless of your UAE residence — annual Italian return required. Private pension plans (Fondi Pensione, PIP) from Generali, Allianz Italia, etc. can typically remain open but check your specific plan's terms for non-resident policyholders.

Can I use the Italy-UAE DTAA to avoid Italian tax on my Dubai salary?

Yes — if you have genuinely broken Italian tax residency and are a UAE tax-resident. Under DTAA Article 15, employment income is taxable in the country where work is physically performed. Working in Dubai means your salary is taxable in UAE (0%). Italy cannot tax your Dubai salary under the DTAA. Critical conditions: (1) AIRE-registered at Italian consulate Dubai; (2) Deregistered from Italian Anagrafe; (3) Below 183 Italian days in the calendar year; (4) Center of life interests in UAE, not Italy; (5) UAE TRC obtained and submitted to Agenzia delle Entrate. If any condition fails, Italy may reassert residency and attempt to tax your Dubai salary at IRPF rates (23–43%).

What happens to my Italian rental property tax after AIRE registration?

Italian rental income remains taxable in Italy after AIRE registration — Italy retains the right to tax Italian-source income under the DTAA Art. 6 (rental income from Italian real property). As a non-resident, you file an annual Modello Redditi PF at the Centro Operativo di Pescara. You can elect for cedolare secca (flat 21% substitute tax on rental income, replacing IRPEF progressive rates) — generally advantageous for non-residents. Allowable deductions under cedolare secca are limited (the flat rate covers most costs), but under IRPEF you can deduct maintenance, insurance, property management, and mortgage interest. Net Italian rental income is taxable; UAE residency does not exempt it.

How does Italian inheritance tax work for Dubai residents?

Italian succession tax (imposta sulle successioni e donazioni) applies to Italian-situs assets for non-residents — regardless of AIRE status. The good news: Italian inheritance tax rates are among the lowest in Europe. For direct family members (spouse, children): 4% above EUR 1,000,000 per heir exemption. For siblings: 6% above EUR 100,000 per heir. For others: 6% (no threshold) to 8%. Italian real property will always be caught for Italian inheritance tax (situs rule). For Italian-resident heirs receiving assets from a Dubai-resident deceased: the EUR 1M per heir exemption applies; only amounts above trigger 4% tax. Pre-emigration gift planning (while correctly timed outside lookback periods) can be highly effective.

What is the 7% flat rate for Southern Italian retirees and is it relevant?

The 7% flat rate regime (introdotto dall'articolo 24-ter del TUIR) allows foreign pension recipients who transfer their residence to qualifying Southern Italian municipalities (with fewer than 20,000 inhabitants in Calabria, Sicilia, Sardegna, Campania, Basilicata, Abruzzo, Molise, Puglia) to pay a flat 7% tax on all foreign-source income for 10 years. This is designed to attract foreign retirees to Southern Italy — it is the opposite of Dubai expat planning. It is only relevant to Dubai residents if they are considering returning to Italy with a foreign pension. It has no application to someone living in Dubai.

Can the Agenzia delle Entrate track my UAE bank accounts and income?

Yes — through the Common Reporting Standard (CRS). Both Italy and the UAE are CRS signatories. UAE banks report account information (balances, interest, dividends) for Italian-identified account holders to UAE tax authorities annually, which share the data with Italy's Agenzia delle Entrate. This means the Italian tax authorities can see your UAE bank balances and financial activity. However, the Agenzia delle Entrate can only assess Italian tax if they can establish Italian tax residency — if you are correctly AIRE-registered, Anagrafe-deregistered, and spend fewer than 183 days in Italy, the CRS data alone does not create Italian tax liability. CRS data is most relevant for exposing undeclared Italian-source income being channelled through UAE accounts.

What documentation should I keep to defend my Italian non-residency position?

To defend genuine UAE tax residency against Agenzia delle Entrate challenge: (1) AIRE registration certificate from Italian consulate Dubai; (2) Anagrafe deregistration certificate from your Italian comune; (3) UAE TRC (issued annually by FTA — renew each year); (4) UAE residence visa + Emirates ID; (5) UAE bank statements showing regular activity; (6) UAE lease contract (Ejari registered); (7) Travel records — passport stamps + airline boarding passes demonstrating 183+ UAE days and under 183 Italian days per year; (8) UAE employer payslips or trade licence; (9) Evidence of UAE economic activity (utility bills, UAE club memberships, UAE school records for children if applicable).

What is the Quadro RW and do I still need to file it as a Dubai resident?

Quadro RW is the section of the Italian Modello Redditi PF where Italian tax-residents declare all foreign financial assets and real estate held abroad (for IVIE/IVAFE calculation and anti-money-laundering monitoring). Once you have broken Italian tax residency via AIRE registration, you are no longer required to file Quadro RW for your Dubai assets — IVIE and IVAFE do not apply to Italian non-residents. You will still need to file Modello Redditi PF if you have Italian-source income, but the Quadro RW section (foreign assets declaration) is no longer required for your UAE holdings. This is one of the significant administrative reliefs of proper AIRE registration.

Taxes for Italian Expats in Dubai 2026

Comprehensive guide to Italian tax obligations for Dubai residents: AIRE registration, Article 2 TUIR residency tests, Article 166 TUIR exit tax, IVIE/IVAFE escape, Italy-UAE DTAA, Italian rental income, INPS pension, and how to establish UAE tax residency correctly.

Last updated: May 2026

James Ho· Digital Nomad & Tax Correspondent

5 years location-independent, 3 of them in Dubai. Chartered accountant (ICAEW). Holds a UAE Virtual Working visa.

Italian Tax in Dubai — AIRE First, Everything Else Second

Italian expats in Dubai have one critical legal obligation that overrides every other tax planning step: registering with AIRE (Anagrafe Italiani Residenti all'Estero) at the Italian consulate in Dubai within 90 days of arrival. Without AIRE registration, Italian law treats you as still-registered in the Italian Anagrafe — and Article 2 TUIR makes that status alone sufficient for full Italian tax residency, regardless of where you physically live.

Once AIRE is correctly in place — combined with Anagrafe deregistration, fewer than 183 Italian days per year, and a genuinely UAE-centred life — Italian taxation is limited to Italian-source income: rental, dividends, Italian pension, and Italian work days. The powerful IVIE and IVAFE foreign asset wealth taxes disappear entirely. Your Dubai salary at 0% UAE tax is fully protected under the Italy-UAE Double Taxation Avoidance Agreement (DTAA).

Critical: four Italian tax risks for Dubai expats

(1) AIRE registration: Mandatory within 90 days. Without it, Italy treats you as a full tax-resident regardless of physical location — all worldwide income taxable at IRPF 23–43%. (2) Article 166 TUIR exit tax:Substantial holdings (>20% unlisted / >2% listed) trigger deemed disposal at 26% flat on emigration to non-EU countries. Plan 12+ months ahead. (3) IVIE/IVAFE: These foreign asset wealth taxes (0.4–1.06% real estate; 0.2% financial assets) apply only to Italian-residents — they disappear on correct AIRE break, but persist if AIRE is not done. (4) Article 2 TUIR 3-test residency: Anagrafe registration alone triggers full Italian tax residency. You must break all applicable tests simultaneously.

AIRE Registration — The Most Important Step

AIRE registration at the Italian consulate in Dubai is the legal foundation of Italian tax non-residency. Italian law (L. 470/1988) requires every Italian citizen who establishes residence abroad for more than 12 months to register with AIRE. This is not merely advisory — it is a legal obligation.

Deadline: within 90 days of establishing UAE residence
Where: Consolato Generale d'Italia in Dubai (book online via Prenota Online)
Documents: Italian passport, UAE visa, Emirates ID, UAE address proof (Ejari lease)
The consulate notifies your Italian comune, which deregisters you from the Anagrafe
Confirmation of AIRE registration arrives within 4–8 weeks typically

Without AIRE: you remain Italian-tax-resident

Article 2 TUIR deems any person registered in the Italian Anagrafe to be Italian tax-resident for the majority of the year. If you live in Dubai without AIRE registration, you are still in the Anagrafe — and therefore still a full Italian tax-resident. The Agenzia delle Entrate can assess IRPF on your Dubai salary, apply IVIE on your UAE property and IVAFE on your UAE bank accounts, and require Quadro RW foreign asset disclosure. AIRE registration is not optional — it is the essential first step in any Italian tax break strategy.

AIRE registered vs AIRE ignored — tax position comparison

AIRE registration vs ignoring — Italian tax positions compared
Scenario	Tax Position	Risk Level	Required Action
Registered AIRE within 90 days of departure — clean break	Italian tax residency broken from date of departure; only Italian-source income taxable going forward	Low — correctly structured	Annual Italian return for Italian-source income only; obtain UAE TRC after 183 days
Living in Dubai without AIRE registration	Still considered Italian tax-resident under Article 2 TUIR — worldwide income taxable in Italy; IVIE and IVAFE apply on Dubai assets	HIGH — Agenzia delle Entrate can assess full IRPF on Dubai salary	Register with AIRE immediately at Italian consulate in Dubai; file corrected returns if necessary
Registered AIRE but maintaining Italian residence address / Anagrafe registration	Conflicting registrations; Agenzia delle Entrate may challenge AIRE status if Anagrafe still shows Italian address	Medium — potential challenge to AIRE validity	Ensure full deregistration from Italian Anagrafe (comune); AIRE and Anagrafe must be consistent
Registered AIRE but returning to Italy for 183+ days in a tax year	183+ Italian days in a calendar year re-establishes Italian tax residency under Article 2 TUIR — regardless of AIRE	HIGH — full Italian tax residency re-established for that year	Track Italian days carefully; keep below 183 per calendar year; keep UAE days above 183 for TRC purposes

ScenarioRegistered AIRE within 90 days of departure — clean break

Tax PositionItalian tax residency broken from date of departure; only Italian-source income taxable going forward

Risk LevelLow — correctly structured

Required ActionAnnual Italian return for Italian-source income only; obtain UAE TRC after 183 days

ScenarioLiving in Dubai without AIRE registration

Tax PositionStill considered Italian tax-resident under Article 2 TUIR — worldwide income taxable in Italy; IVIE and IVAFE apply on Dubai assets

Risk LevelHIGH — Agenzia delle Entrate can assess full IRPF on Dubai salary

Required ActionRegister with AIRE immediately at Italian consulate in Dubai; file corrected returns if necessary

ScenarioRegistered AIRE but maintaining Italian residence address / Anagrafe registration

Tax PositionConflicting registrations; Agenzia delle Entrate may challenge AIRE status if Anagrafe still shows Italian address

Risk LevelMedium — potential challenge to AIRE validity

Required ActionEnsure full deregistration from Italian Anagrafe (comune); AIRE and Anagrafe must be consistent

ScenarioRegistered AIRE but returning to Italy for 183+ days in a tax year

Tax Position183+ Italian days in a calendar year re-establishes Italian tax residency under Article 2 TUIR — regardless of AIRE

Risk LevelHIGH — full Italian tax residency re-established for that year

Required ActionTrack Italian days carefully; keep below 183 per calendar year; keep UAE days above 183 for TRC purposes

Article 2 TUIR — Breaking Italian Tax Residency

Article 2 TUIR (Testo Unico delle Imposte sui Redditi) defines Italian tax residency. A person is Italian-tax-resident if, for the majority of the tax year (183+ days), they satisfy any ONE of three conditions:

Test 1: Anagrafe Registration

Registered in the Italian Anagrafe (civil registry) for majority of the year. AIRE registration + comune deregistration breaks this test.

Test 2: Domicilio

Center of business and interests (domicilio) in Italy — where your primary professional, economic, and personal ties are. Broken by moving employment, family, and assets to UAE.

Test 3: Residenza (Dimora Abituale)

Actual habitual residence (dimora abituale) in Italy — regular physical presence. Broken by spending fewer than 183 days in Italy and not maintaining a regularly-used Italian home.

Breaking all three tests simultaneously

To achieve the strongest Italian non-resident position: (1) AIRE-register and deregister from Anagrafe (breaks Test 1); (2) Move employment, family, and main investments to UAE (breaks Test 2); (3) Spend fewer than 183 days in Italy, commercially let any Italian property — do not personally use it (breaks Test 3). All three broken = robust non-residency. Only Anagrafe broken but center of interests still in Italy = weak position; Agenzia delle Entrate can still challenge via Tests 2 or 3.

Italian resident vs AIRE non-resident tax treatment

Italian tax resident vs AIRE-registered non-resident treatment comparison
Aspect	Italian TAX RESIDENT (no AIRE)	AIRE-Registered NON-RESIDENT (Dubai)	Key Difference
Global income taxation	IRPEF on worldwide income: 23–43% progressive	Italy taxable only on Italian-source income; UAE income at 0%	Full salary savings for Dubai-employed AIRE registrants
IVIE (foreign real estate wealth tax)	0.4–1.06% of value on foreign real estate owned abroad	IVIE does not apply — non-residents exempt	Significant saving for Dubai property owners after AIRE
IVAFE (foreign financial assets)	0.2% of value on foreign financial assets (bank accounts, investments abroad)	IVAFE does not apply — non-residents exempt	Dubai bank balances and investments not subject to 0.2% levy
Modello Redditi PF filing	File for all worldwide income; Quadro RW (foreign assets) required	File only for Italian-source income (rental, dividends, pension, Italian work days); Quadro RW not required	Significant reduction in reporting burden after AIRE registration
Article 166 TUIR exit tax	Potential exit tax liability on emigration — applies on substantial holdings	Exit tax triggered by emigration; AIRE registration is part of breaking Italian residency	Exit tax is a one-time departure liability — not an ongoing burden for AIRE registrants
7% Southern Italy retiree flat rate	Available for new retirees receiving foreign pension income who move to qualifying Southern Italian municipalities	Not applicable — requires establishing Italian residency in qualifying municipality (Calabria, Sicilia, etc.)	Relevant only for those considering returning to Italy, not Dubai expats

AspectGlobal income taxation

Italian TAX RESIDENT (no AIRE)IRPEF on worldwide income: 23–43% progressive

AIRE-Registered NON-RESIDENT (Dubai)Italy taxable only on Italian-source income; UAE income at 0%

Key DifferenceFull salary savings for Dubai-employed AIRE registrants

AspectIVIE (foreign real estate wealth tax)

Italian TAX RESIDENT (no AIRE)0.4–1.06% of value on foreign real estate owned abroad

AIRE-Registered NON-RESIDENT (Dubai)IVIE does not apply — non-residents exempt

Key DifferenceSignificant saving for Dubai property owners after AIRE

AspectIVAFE (foreign financial assets)

Italian TAX RESIDENT (no AIRE)0.2% of value on foreign financial assets (bank accounts, investments abroad)

AIRE-Registered NON-RESIDENT (Dubai)IVAFE does not apply — non-residents exempt

Key DifferenceDubai bank balances and investments not subject to 0.2% levy

AspectModello Redditi PF filing

Italian TAX RESIDENT (no AIRE)File for all worldwide income; Quadro RW (foreign assets) required

AIRE-Registered NON-RESIDENT (Dubai)File only for Italian-source income (rental, dividends, pension, Italian work days); Quadro RW not required

Key DifferenceSignificant reduction in reporting burden after AIRE registration

AspectArticle 166 TUIR exit tax

Italian TAX RESIDENT (no AIRE)Potential exit tax liability on emigration — applies on substantial holdings

AIRE-Registered NON-RESIDENT (Dubai)Exit tax triggered by emigration; AIRE registration is part of breaking Italian residency

Key DifferenceExit tax is a one-time departure liability — not an ongoing burden for AIRE registrants

Aspect7% Southern Italy retiree flat rate

Italian TAX RESIDENT (no AIRE)Available for new retirees receiving foreign pension income who move to qualifying Southern Italian municipalities

AIRE-Registered NON-RESIDENT (Dubai)Not applicable — requires establishing Italian residency in qualifying municipality (Calabria, Sicilia, etc.)

Key DifferenceRelevant only for those considering returning to Italy, not Dubai expats

Italian vs UAE Tax Treatment by Income Type

Once you have correctly broken Italian tax residency and are AIRE-registered, Italian taxation is limited to Italian-source income under the DTAA. The table below shows how each income type is treated for Italian Dubai residents.

Italian vs UAE tax treatment by income type for Dubai-resident Italians (2026)
Income Type	Italian Tax Treatment (while Dubai resident)	UAE / Dubai Tax Treatment	DTAA Allocates To	Key Notes
UAE employment income (Dubai salary)	0% (Italy-UAE DTAA: employment income taxed where work performed; genuine UAE residency + AIRE registration required)	0% — no UAE income tax	UAE (country of employment)	AIRE registration within 90 days is mandatory; without it Italy may still claim residency under Article 2 TUIR
Italian employment days (working physically in Italy)	Taxable in Italy — proportionate to days physically in Italy	0% UAE tax	Italy (source country — work physically performed in Italy)	Track Italian work days carefully; even a few days create Italian taxable income for non-residents
Italian rental property income	Taxable in Italy as non-resident: cedolare secca 21% (flat) or IRPEF progressive rates; file Modello Redditi PF	0% UAE tax	Italy (real property sourced to Italy — DTAA Art. 6)	Cedolare secca 21% is generally advantageous for non-residents; annual Italian return required regardless of UAE residence
Dividends from Italian companies	Italian withholding tax 26% on dividends; DTAA may reduce to 5–15% for qualifying shareholders	0% UAE tax	Italy (source); DTAA Art. 10 limits withholding	Article 166 TUIR exit tax may have crystallised gains on departure; check if deemed disposal applied
Capital gains on Italian shares (non-exit-tax)	26% substitute tax for non-residents on most Italian share disposals; DTAA may allocate to UAE for non-property-rich companies	0% UAE tax	UAE (residence country) for non-property-rich company shares per DTAA	Confirm via DTAA analysis whether specific share type allocates to Italy or UAE
Capital gains on Italian real property	Taxable in Italy (26% or IRPEF rate); exemption if held 5+ years and was primary residence before sale	0% UAE tax	Italy (real property rule — DTAA Art. 13)	5-year primary residence exemption may apply; consult commercialista on timing
Italian state pension (INPS)	Taxable in Italy under DTAA Art. 18/19; file annual Modello Redditi PF; IRPEF progressive rates apply	0% UAE tax	Italy (state pension sourced to Italy per DTAA)	UAE residence does not exempt Italian state pension from Italian tax; filing remains mandatory
Private pension (Generali, Allianz Italia, PIP)	Generally Italian-source under DTAA; contributions may pause for non-residents; treatment on withdrawal varies by plan type	0% UAE tax	Italy generally; DTAA Art. 18 analysis required per plan	Consult pension provider on non-resident continuation options; contributions non-deductible for non-residents
Interest income (Italian bank accounts)	Italian withholding tax 26% at source; DTAA Art. 11 generally allocates to residence country (UAE)	0% UAE tax	UAE (residence country) per DTAA Art. 11	Claim DTAA refund via Italian return; notify Italian bank of non-residency for reduced withholding at source
Inheritances / gifts from Italian relatives	Italian inheritance tax 4–6% (with EUR 1M exemption per heir) on Italian-situs assets; lookback rules apply for recent emigrants	0% UAE inheritance/gift tax	No DTAA inheritance article; Italian domestic law applies to Italian-situs assets	Lookback rules: if you were Italian-resident within prior years, Italian-situs assets remain subject; planning pre-departure is critical

Income TypeUAE employment income (Dubai salary)

Italian Tax Treatment (while Dubai resident)0% (Italy-UAE DTAA: employment income taxed where work performed; genuine UAE residency + AIRE registration required)

UAE / Dubai Tax Treatment0% — no UAE income tax

DTAA Allocates ToUAE (country of employment)

Key NotesAIRE registration within 90 days is mandatory; without it Italy may still claim residency under Article 2 TUIR

Income TypeItalian employment days (working physically in Italy)

Italian Tax Treatment (while Dubai resident)Taxable in Italy — proportionate to days physically in Italy