Santander mortgage cancellation with anticipated power of attorney: what the Registry requires in 2026

Key data

If you have a mortgage with Banco Santander that is already paid off and you are waiting for it to be cancelled in the Registry, or if you are a financial entity or notary processing mass cancellations, this resolution directly affects you. The Resolution of March 19, 2026 from the DGSJFP, published on July 1, 2026, responds to an appeal against the refusal of the property registrar of Valencia No. 8 to register a deed of cancellation of a Santander mortgage. The reason: the zero balance certificate did not have the notarially legitimized signature.

The ruling precisely delimits what formal requirements are required for anticipated cancellation powers to be valid before the Property Registry, putting a brake—at least partially—on the total automation of the process.

What does this regulation establish?

Banco Santander had granted in 2024 a deed of anticipated power that allowed debtors to unilaterally cancel their mortgage. The mechanism worked as follows: the bank sent to the Integrated Notary Management System (SIGN) a certificate certifying that the mortgage balance was zero. With that certificate, the debtor could grant the cancellation without the bank needing to appear before a notary again.

The property registrar of Valencia No. 8 suspended the registration arguing that the signature of the zero balance certificate did not have notarial legitimization. To do so, it applied the doctrine that the DGSJFP itself had established in 2017.

The resolution analyzes whether the 2017 doctrine continues to be applicable to these new digital mechanisms and delimits how far automation can go without violating the guarantees of the registry system.

Economic and operational impact

The impact is not just for one specific debtor: it affects the model of mass mortgage cancellation that banks are implementing to reduce operational costs and speed up the post-amortization process. If the zero balance certificate must carry notarially legitimized signature in each operation, the cost savings that the anticipated power system was seeking is significantly reduced.

• For banks: They need to review whether their anticipated power deeds from 2024 onwards incorporate the requirement of notarial legitimization of signature in the zero balance certificate, or if they must modify the procedure.
• For debtors: Cancellations in process under this model may be suspended in the Registry until the formal defect is corrected, which delays the release of the mortgage charge in the Registry.
• For notaries: They must verify that the zero balance certificates they receive through SIGN meet the legitimization requirement before authorizing the cancellation deed.

The direct cost of correction varies depending on the procedure chosen, but in any case implies an additional notarial intervention that was not foreseen in the original automated model.

Who does it affect?

• Mortgage debtors of Banco Santander who have paid off their mortgage and are processing the registry cancellation through the anticipated power mechanism.
• Banco Santander and any other financial entity that has implemented or is implementing similar automated cancellation systems with anticipated power.
• Notaries who authorize deeds of mortgage cancellation based on zero balance certificates sent digitally (SIGN or other channels).
• Property registrars who receive cancellation deeds under this model and must determine if they meet formal requirements.
• Legal advisors and management firms that process mortgage cancellations for their clients.

Practical example

An individual in Valencia finished paying off their mortgage with Banco Santander in 2025. The bank, relying on the anticipated power deed granted in 2024, sends to SIGN a zero balance certificate electronically signed by a bank representative, without notarial legitimization of that signature. The notary authorizes the cancellation deed and it is presented to the Property Registry of Valencia No. 8.

The registrar suspends the registration: the zero balance certificate does not have the notarially legitimized signature, as required by the DGSJFP doctrine of 2017, now confirmed by this resolution. The debtor must wait for the bank to correct the defect—by providing the certificate with legitimized signature—before the cancellation is registered and the mortgage formally disappears from the Registry.

Result: delay in registry cancellation, possible additional management costs, and the mortgage continues to appear as a charge in the Registry for the duration of the correction process.

What should companies do now?

1. Banking entities: Review the anticipated power deeds granted since 2024 and verify that the internal procedure ensures that the zero balance certificate carries notarially legitimized signature before sending it to SIGN or to the notary.
2. Debtors with cancellation in process: Check with their management firm or notary if the cancellation has been suspended by the Registry. If so, demand that the bank correct the formal defect at no additional cost to the client.
3. Notaries: Before authorizing cancellation deeds based on digital zero balance certificates, verify that the certificate signature is notarially legitimized in accordance with the DGSJFP doctrine of 2017 and this 2026 resolution.
4. Management firms and advisors: Update the checklists for processing mortgage cancellations to include verification of the requirement for notarial legitimization of the zero balance certificate signature.
5. Registrars: Apply the doctrine confirmed by this resolution in the qualification of cancellation deeds under anticipated power models, suspending those that do not meet the formal requirement.

Official source

Consult complete regulation in official source

Notice: This article is for informational purposes only and does not constitute legal advice. For specific decisions, consult a qualified professional. Source: https://www.boe.es/diario_boe/txt.php?id=BOE-A-2026-14304