Registering a residential lease in Italy is mandatory and time-sensitive. The landlord (or a delegated agent) must file the contract within 30 days of signing using the RLI procedure, pay the applicable taxes, and deliver the registered copy to the tenant. Below is a practical, verified workflow you can copy—plus what changes if you opt for cedolare secca.
Contents
Which contracts must be registered and who does it
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What must be registered: almost all written residential leases (4+4 free-market, 3+2 agreed-rent, transitional, student).
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Who registers: typically the landlord (locatore). A tenant or a professional (agent, tax advisor) can file on the landlord’s behalf with a delegation.
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Deadline: within 30 days of the date both parties sign. Deliver a copy of the registered contract (or receipt) to the tenant once filed.
If you’re deciding between free-market vs. agreed-rent (which can lower tax and lock standard clauses), see What Is a Contratto a Canone Concordato? before you draft—some documents (like the attestazione) are easier to collect upfront.
Where and how to file the RLI
You have three routes; pick one and stick to it for consistency:
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Online (RLI-web): via the Revenue Agency’s portal with SPID/CIE/CNS. You upload the contract PDF (or compile the data), enter cadastral details, choose tax options (e.g., cedolare secca), and authorize direct debit of taxes/stamp duty if due.
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Through an intermediary: a CAF/commercialista files telematically on your behalf and settles taxes for you.
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At the office: bring the paper contract (original + copies), RLI form, and payment instruments; the office registers, stamps, and returns copies.
Documents/data to have ready
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Contract (with parties’ IDs and codice fiscale), duration, rent, payment method, security deposit, clauses.
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Cadastral data of the unit and accessories (garage/cellar) and the Energy Performance Certificate (APE) reference acknowledged in the text.
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For agreed-rent (3+2): the attestazione issued by associations/qualified parties per the local accord, if required.
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If opting for cedolare secca: the declaration inside RLI and evidence you’ve informed the tenant (see below).
For everyday obligations once you move in—maintenance split, deposit interest, indexation—keep Tenant Rights and Obligations in Italy next to this guide.
What you pay at registration (and who pays it)
Two fiscal items can apply to residential leases unless you choose cedolare secca:
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Registration tax (imposta di registro): ordinarily a percentage of the annual rent (paid at first registration and then at each annual anniversary or in one go for the whole term, depending on your choice). A minimum amount applies.
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Stamp duty (imposta di bollo): charged at fixed steps on the contract text and any annexes when filed on paper or telematically with virtual stamps.
Cost split: by law, registration tax and stamp duty are typically shared 50/50 between landlord and tenant unless you elect cedolare secca (see next section), in which case neither tax is due and the landlord cannot charge the tenant for them.
If your rent is under cedolare secca, the landlord pays a substitute tax on rental income in the annual return; registration tax and stamp duty do not apply to registration, annual renewals, extensions, transfers or terminations recorded with RLI for that contract.
Cedolare secca: opting in (and what you must communicate)
Choosing cedolare secca is a box you tick in RLI at registration (or later at an annual anniversary). Two operational effects:
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No registration/stamp taxes are due for that lease’s filings (registration, renewals, extensions, transfers, termination).
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The landlord waives rent updates, including ISTAT indexation, for the period cedolare is in force.
Tenant notice: send the tenant a written notice (letter/PEC) that you opted for cedolare and therefore waive any rent increase while it’s active. Keep proof of delivery with the contract file. You can revoke or renew the option at each anniversary through an RLI event.
If the contract is agreed-rent (3+2), combining it with cedolare can unlock favorable rates and local property-tax relief in many municipalities when all formalities (including the attestazione) are respected—another reason to settle the structure before you register.
Annual maintenance events after year 1
Every residential lease creates follow-up “events” that must be filed—each within 30 days of the event date—using RLI (telematic or at the office):
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Annual payment of registration tax (if not under cedolare): pay the year’s quota on or before the anniversary; you can switch to cedolare here if you now prefer it.
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Extension (proroga): when a 4+4 auto-renews or a 3+2 enters its +2 period, file the proroga and pay the relevant tax (or confirm cedolare).
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Transfer/assignment (cessione/subentro): when the landlord or tenant changes mid-term, file within 30 days; tax rules follow your regime (no tax if cedolare).
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Early termination (risoluzione): file within 30 days of keys handover; the fixed resolution tax doesn’t apply if the lease is under cedolare.
Prefer to pay all registration tax upfront for the full term? You can at first registration (outside cedolare), often with a reduction mechanism built into the law; otherwise, you pay year by year at each anniversary.
If you register late (ravvedimento)
Missed the 30-day window? You can self-remedy by registering as soon as possible and paying the reduced penalty and interest through the official process (ravvedimento). The sooner you act, the lower the additions. Keep the office receipt or telematic protocol with your records.
For broader tax-calendar hygiene (and what happens if you miss generic income-tax dates), review Deadlines and Fines: How to Avoid Mistakes in Your Italian Tax Return and set reminders that align with your lease anniversaries.
Practical step-by-step (copy-paste)
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Draft the right contract (4+4, 3+2, transitional, student), include cadastral data, APE acknowledgment, deposit rules, and any indexation clause (note: no indexation if cedolare is active).
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Choose the tax path: ordinary registration tax + bollo or cedolare secca. If agreed-rent, secure the attestazione first.
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File RLI within 30 days: online (RLI-web), via a professional, or at the office. Upload/attach the contract and choose payment (direct debit or as instructed).
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Deliver copies to the tenant: registered contract or telematic receipt + (if cedolare) your notice of waived updates.
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Diary the anniversaries: annual tax (if applicable), proroga at automatic renewal, and any transfer/termination events—each filed within 30 days via RLI.
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Archive everything: contract, RLI receipt/protocol, payment proofs, tenant notice, attestazione (if 3+2), APE reference.
Frequent mistakes to avoid
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Using the wrong template (e.g., free-market text for a 3+2 agreed-rent).
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Forgetting the 30-day rule at signing, anniversary, or termination.
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Electing cedolare but not notifying the tenant or later applying indexation anyway.
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Skipping the attestazione on 3+2 and then losing agreed-rent tax benefits.
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Not listing accessories (garage/cellar) with their cadastral data—causes mismatches later.
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Paper contract without proper stamp duty when cedolare is not chosen.
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Failing to file the “proroga” when the first period rolls into renewal (4+4 → +4, 3+2 → +2).
If you lock these fundamentals—RLI within 30 days, the right tax regime, and clean follow-ups—your lease will be fully compliant, cheaper to manage under cedolare where it fits, and easier to defend if questions come up later.
