Early      Until Sunday 21 March, 2021 (23:59:59 Pacific Time)

Late       From Monday 22 March, 2021 until Wednesday 30 June, 2021

Register before SUNDAY 6 June (23:59 CEST) to enjoy the Symposium right from the start and live Q&A sessions.

Please keep on checking this page for further updates.


At least one author, for each accepted paper, must register and pay the registration fee within the final submission deadline (21 March, 2021).

"REGULAR" attendees are allowed to upload a possible second paper on the PaperPlaza system by paying an extra charge (€ 50,00).


Other authors registering after the submission deadline will have to pay a higher fee. 


**If an author wishes to submit a manuscript with a number of pages higher than 6 (up to 8), then an additional registration fee of 100 euros is required.


Do not forget to include the PAPER ID assigned to your paper by PaperPlaza Conference Manuscript Management System, on the registration form.


If you  are not an Author and wish to attend the Symposium, you may do so by paying a reduced fee: 

WORKSHOP FEES (ADCHEM Workshop 2021: Machine Learning and Model Predictive Control | Sunday 13 June, 2021) 

The workshop is designed for researchers with a basic knowledge of model predictive control and machine learning who intend to gain an overview of how machine learning methods can be leveraged for learning-based and approximate predictive control of uncertain and nonlinear systems.021 Machine Learning and Model Predictive Control  (13 June ,2021) 

You may attend ADCHEM 2021 Workshop also without attending the Symposium. 

Students must upload a proof of their student status in the registration form. Student registration is available for undergraduate, graduate and Ph.D. students only. The student rate is not available for post-doctorates.


Registration Fees are in Euro and include 22% VAT

The invoice will be issued after the payment is received and mailed to your e-mail address in pdf format .

If your payment is subject to the receipt of our invoice, please send a message to

Please make sure to type the correct invoice billing address! If a new invoice is requested with corrections on personal or company data, a handling fee of 25% of the invoice total will be withheld.


Fees must be paid in Euro (€) to Sistema Congressi by credit card (Visa, Mastercard, Maestro, American Express, PayPal) or bank transfer. Xpay, the online payment system of Nexi (our payment platform) guarantees the security of the transaction.

If you prefer to pay by bank transfer, you should complete the registration form first. Bank transfer details and instructions are included in the registration confirmation email.

Please note that admission to the Symposium cannot be guaranteed unless full payment has been received. Where payment is still pending or delayed, registrations will be automatically cancelled without prior notice.



Once you have completed your registration, you will receive an automatic registration confirmation from with the summary of the selected options. If you do not see the email in your inbox then please be sure to check your spam folder in case it got flagged as spam.

If you do not receive this email, either your email was entered incorrectly or your registration is not complete. If this happens, please contact  and do not re-register until further instructions.


Being the Symposium a virtual event, no payment will be refunded.

if you need further assistance or information about registration procedures, payments and invoices,


WHAT NEXT? How to access ADCHEM 2021 Virtual Conference ? 

Keep on checking this website for further updates. Instructions for attendees will be sent to their e-mail address in due time. 

For employees of Italian Public Administration only - Solo per dipendenti della Pubblica Amministrazione Italiana

Nel caso in cui il partecipante richieda l’intestazione della fattura alla propria Pubblica Amministrazione, è necessario seguire la seguente procedura:



  2. NELLA SEZIONE DEDICATA ALLA COMPILAZIONE DEI DATI PER LA FATTURA, SCEGLIERE “split payment” OPPURE "esenzione IVA ai sensi dell’art. 10 del DPR 633/72…”​

  3. INVIARE A UN "Buono d''ordine"  RIPORTANTE IL CODICE UNIVOCO CHE IDENTIFICA LA PUBBLICA AMMINISTRAZIONE PAGANTE ed ogni altra informazione che la stessa Pubblica Amministrazione ritenga necessaria per facilitare l’identificazione del pagamento come da normativa della fatturazione elettronica.