Practical guide

How to draft a substitute defense counsel appointment under Art. 102 c.p.p. with AI

3 min read · Updated September 2026 · Editorial oversight: Avv. Federico Papa

The institution of the substitute defense counsel (sostituto del difensore) allows the primary counsel to delegate participation in hearings or specific acts to a colleague. This guide explores the methods for drafting the written delegation, ensuring the full validity of the acts performed by the substitute. Thanks to edit.legal, professionals can automate the generation of this document, reducing the risk of procedural flaws.

In brief

The appointment of a substitute defense counsel under Art. 102 c.p.p. is the act by which the primary counsel, whether retained (difensore di fiducia) or court-appointed (difensore d'ufficio), designates another lawyer to exercise the rights and assume the duties of the defense. The substitute holds the same powers as the primary counsel, unless expressly limited. The document must clearly state the case number, the proceeding authority, and the details of the original appointment, and it can be filed electronically or presented in court by the delegate.

The steps

1.
Identification of the delegating counsel and source of power
The first step involves accurately indicating the details of the primary counsel (delegating party) and the specifics of the appointment received from the defendant or suspect. It is essential to specify whether acting as retained counsel or court-appointed counsel, citing the appointment document already in the case file. This section establishes the delegant's standing to appoint a substitute under Art. 102 c.p.p. without requiring further authorization from the client, unless expressly prohibited in the original power of attorney.
2.
Designation of the substitute and professional data
You must provide the name, surname, and Bar association (Foro) of the lawyer who will assume the role of substitute. Although Art. 102 c.p.p. does not require specific ritual formulas, clarity in identifying the delegate is essential for the regularity of the proceedings. It is standard practice to include the substitute's tax code and certified email (PEC) address to facilitate the court clerk's transcript entries. edit.legal helps by automatically filling these fields using data extracted from linked professional registers.
3.
Determination of the scope and limits of the delegation
The delegation can be specific, meaning limited to a single hearing or a determined act (e.g., an interrogation or technical appraisal), or general for the entire proceeding. It is necessary to accurately describe the case numbers (R.G.N.R. or R.G. Trib.) and the competent judicial authority. Unless otherwise specified, the substitute exercises all the rights of the primary counsel. Precisely defining the scope of the delegation prevents the substitute from performing undesired acts or the primary counsel from losing strategic control of the defense.
4.
Signature and lack of authentication requirement
The appointment of the substitute must be signed by the delegating counsel. Unlike the appointment of counsel by the defendant, the delegation to a substitute does not require authentication of the signature. The primary counsel declares under their own responsibility the intent to be substituted. In the case of electronic filing, the delegant's digital signature satisfies the requirements for integrity and origin. edit.legal allows for the generation of a PDF ready for digital signature in compliance with the technical specifications of the Criminal Acts Filing Portal.
5.
Filing procedures and production in court
The document can be filed electronically before the hearing or delivered as a hard copy by the substitute directly to the judge during the parties' roll call. Art. 34 disp. att. c.p.p. clarifies that the appointment can also be made via an oral declaration to the proceeding authority, but the written form remains the safest way to document the substitute's standing in the trial file. Once filed, the appointment remains effective until revoked or the specific task is concluded.

Legal basis: Art. 102 c.p.p.Art. 96 c.p.p.Art. 97 c.p.p.Art. 34 disp. att. c.p.p.

Mistakes to avoid

Forgetting to cite the details of the original appointment, making it difficult to verify the delegant's standing.
Using an oral delegation for acts that require documentary proof of appointment in the electronic file.
Omitting the specific R.G.N.R. number during the preliminary investigation phase.
Requesting the authentication of the delegant's signature, unnecessarily complicating the document.

Frequently asked questions

Can a substitute counsel appoint another substitute in turn?

No, the power of substitution under Art. 102 c.p.p. is granted intuitu personae to the primary counsel and cannot be further delegated by the substitute, unless the original power of attorney expressly provides for sub-delegation rights.

Is acceptance of the appointment by the substitute required?

Acceptance is implicitly shown through the exercise of defense activities or participation in the hearing. A formal written acceptance act on the margin of the appointment is not required.

Can a court-appointed counsel appoint a substitute?

Yes, Art. 102 c.p.p. applies to both retained counsel and court-appointed counsel. A court-appointed counsel who is unavailable has a duty to appoint a substitute or report the impediment to allow for a substitution under Art. 97 paragraph 4 c.p.p.

Editorial oversight: Avv. Federico Papa·ICAMUpdated 17 September 2026Content drafted with AI support and subject to editorial source checks. Despite these controls, inaccuracies may remain: reports and rectification requests are welcome. Report a correction

What edit.legal automates

—Automatic extraction of proceeding data and party details from firm records.
—Instant generation of hearing-specific or general delegations for the entire trial stage.
—Formal compliance verification against Art. 102 c.p.p. requirements and implementing provisions.
—Preparation of compliant PDF/A files for filing on the Criminal Acts Filing Portal (PDP).