Registration

For information about registrations, please contact:

OIC s.r.l.
Viale della Giovine Italia, 17 – 50122 Florence, Italy
Tel. +39 055 50.35.370
registrationec2026@oic.it

OIC Srl is the official Organizing Secretariat appointed by ACM (Association for Computing Machinery), headquartered in 1601 Broadway, New York – USA.

How to register

Please note that this is the official 27th ACM Conference on Economics & Computation website for registrations and that no other websites, companies or agencies are authorised to sell the registrations/ hotel booking in any way or to contact you directly. Pre-registration will be accepted until 30 June 2026. After this date, only on-site registrations will be possible.

Early bird and other deadline fees apply only if both registration and payment are completed by the respective registration deadlines.

INDIVIDUAL REGISTRATIONS 
Participants may proceed with the on-line reservation system:  REGISTER NOW

GROUP REGISTRATIONS

For group registrations (more than 10 participants), please contact registrationec2026@oic.it

Advance registrations are preferred to facilitate planning of the scientific sessions of the conference. On-site registration is strongly discouraged.

A Conference Registration is mandatory for all oral and posters presenters.

Registration fee includes

Personal badge

Attendance of all the Scientific sessions

Catering services as included in the program

Certificate of attendance

Note
* Reduced registration fee for members. To benefit from the discount, you will need to become a member before registering. Membership status will be verified. Be aware if your membership is not updated, the “Non member fee” will be applied.

** Applications for students’ registration fee should be certified by a valid Student ID or by a letter from the school or by student’s advisor, which must be uploaded directly to the online registration platform as proof that the applicant is a student at the time of registration.

VISA Information

For some nationalities, a Visa is required to enter in Italy.  Foreign participants should contact the Embassy or Consulate in their home country to determine their Visa requirements.
Participants requiring Visas should initiate the application process at least 3 months prior to their departure date. The Organising Secretariat OIC is not able assist participants with their Visa application and cannot intervene with Embassies or Consulates on behalf of any participant.

Letter of Invitation (for Visa Application)
To request a Visa invitation letter please log into the online registration link and enter the module “Invitation letter request”.
Only participants fully registered in the conference can obtain a personal invitation letter and only once the full payment of the registration fee is received.
Relevant expenses for hardcopy of the invitation letter sent by express courier must be paid in advance.
Important notice: visa invitation letter only aims to assist participants who need to obtain a visa or permission to attend the Congress and it is not a commitment from the organizers to cover any kind of expenses or to provide any financial support. All expenses incurred in relation to the conference remain the sole responsibility of the participant.

TERMS OF PAYMENT

–Payment by Credit Card
The following credit cards are accepted: American Express, VISA, MasterCard.

We would like to inform you that the SCA (STRONG CUSTOMER AUTHENTICATION) came into effect, in accordance with the provisions of the European Directive on payment services (PSD2).
As an OIC Group customer, your payments will become even more secure..
Payments by bank transfer are accepted up to 30 June 2026.
Cash payment in Euros will be accepted on-site.

-Payment by Bank transfer (not available for online registrations)
Account name OIC srl
Bank name Intesa Sanpaolo SpA
Bank Address Viale Matteotti 20r, 50132 Florence, Italy
IBAN IT85 V030 6902 9010 0000 0010 628
SWIFT code BCITITMM

Charges
Bank transfers must not involve charges for the recipient.

Important information
Please indicate your name and surname and EC2026 as reference on your payment so that we can identify you for confirmation.

Invoices
Invoices with an address in the European Union should be provided with a VAT Number. The invoicing address and VAT number can only be set up during the registration process. Should you have any special requests for the processing of your invoice, kindly let us know when submitting your application.

Any modification on VAT number or billing address, requested after the issuing of the invoice incurs a € 30,00 administration charge.

FOR ITALIAN PARTICIPANTS ONLY
ISCRIZIONI DIPENDENTI PUBBLICHE AMMINISTRAZIONI
Le iscrizioni per i dipendenti delle Pubbliche Amministrazioni dovranno essere corredate di ordine di acquisto in forma elettronica da parte degli enti del Servizio sanitario nazionale, ai sensi dell’art.1, comma 414, della legge 27 dicembre 2017, n. 205 da inviate a registrationec2026@oic.it, oppure a mezzo posta certificata oic@pec.oic.it oppure tramite ordine elettronico con i seguenti codici:

Per poter ricevere fattura intestata ad un ente pubblico ed emessa con scissione di pagamento oppure in esenzione IVA ai sensi dell’art. 10 del DPR 633/72 come modificato dall’art. 14, comma 10 della legge 24 dicembre 1993 n. 537, dovrà essere inviato ORDINE DI ACQUISTO, come sopra indicato, contenente tutti i dati fiscali dell’Ente, oltre al codice univoco PA in cui si specifichi che il dipendente (indicare nome e cognome) per cui viene richiesta l’iscrizione è autorizzato a frequentare l’evento per aggiornamento professionale; oltre ad ogni altra eventuale informazione che l’Ente stesso ritenga necessaria ed opportuna per facilitare l’identificazione del pagamento del servizio come da norma della fatturazione elettronica.

IN MANCANZA DELLA DOCUMENTAZIONE RICHIESTA E SOPRA DESCRITTA NON POTRANNO ESSERE EMESSE FATTURE INTESTATE AD ENTI PUBBLICI; in questo caso il pagamento dovrà essere inclusivo di IVA e la fattura verrà intestata al partecipante. Non verranno accettate richieste di modifica delle fatture già emesse o di rimborso dell’IVA versata dopo il termine del congresso.

CANCELLATIONS AND REFUNDS

• For changes or cancellations, a written notification must be sent to Organising Secretariat OIC registrationec2026@oic.it.
• For cancellations received by 10 June 2026 the paid amount will be refunded with a deduction of 30% that will be invoiced as penalty
• For cancellations received by 30 June 2026 the paid amount will be refunded with a deduction of 70% that will be invoiced as penalty
• No refund will be processed for cancellations received from 1 July 2026.
• Anyone unable to attend the congress after paying, and/or unable to transfer the registration fee to another person, must cancel his/her registration. The registration fee will be refunded if the request is received prior the above cancellation deadline dates.
• If you are unable to attend the Congress because you were denied a Visa to enter the country, you will be granted a refund only if you submit a copy of your visa rejection letter. The refund will be issued less the cancellation fee above stated.
• Please note that no refunds will be issued for additional fees paid for express shipping of invitation letters.
• Please note that registration fees are non-refundable in the event of cancellation due to illness, visa rejection, or other personal circumstances. To protect yourself against unexpected situations, we strongly recommend purchasing comprehensive travel insurance.

Insurance

Participants are strongly encouraged to obtain comprehensive travel and health insurance before attending the congress. Please note that registration fees do not include any insurance coverage, and OIC does not provide insurance of any kind for attendees. It is the sole responsibility of each participant to ensure they have adequate health and travel insurance for the duration of their stay.

Liability disclaimer

In the event of serious, special or unforeseen circumstances beyond its control, OIC, shall be entitled to fully/partially cancel or modify the Event, by also changing the dates or access mode (i.e. Hybrid, virtual, etc.).
Please note that in these cases no compensation for any costs or damages incurred as a consequence of such a cancellation or change will be paid by OIC.
All delegates are urged to take personal travel insurance.
Therefore, OIC will not be liable for any theft or damage to property and/or persons caused on site during the Congress, by any factor whatever, unless there has been a fault, intent or deliberate recklessness on the part of OIC.

OIC shall not be held responsible in the event of poisoning or food intoxication during the Event.