Invoices will be sent on behalf of a legal person (university or company) without VAT (except Spain). If an invoice is requested by a natural person, the VAT should be added.

Payment must be made in Euros by credit card or bank transfer through the registration system (all bank charges and commissions must be paid by the participants). Please note that your invoice will be issued in Euros. A confirmation e-mail will be sent to you after a successful registration. If you encounter any troubles, please contact  the conference organizers at info@tntconf.org. 

The invoice will be issued using the billing details provided on the registration online form, so please ensure to provide the correct information: institution/company name, address and VAT number.

Spanish VAT (21%) is applicable on all conference registration fees to individuals, EU institutions without valid VAT number, Spanish institutions/companies (Business transaction subject to article 69/70 of Spanish VAT Law).



Invite your colleagues and register as a group.
The organizers offers group discounts to institutions that register 5 or more employees. To qualify, all participants in the group must be employed at the same institution. Please contact by email info@tntconf.org

Cancellation Policy

All cancellations should be made in writing by e-mail to Antonio Correia (antonio@phantomsnet.net).
Cancellations made before April 17, 2017 will qualify for a full refund less a 50€ administration fee, plus credit card charges if applicable.
Any cancellation made between April 18 and May 05, 2017, will qualify for a 50% refund.
No refund will be issued for cancellations made after May 05, 2017.

The Organisation Committee will not be responsible for any medical expenses, lost property, or accidents during the TNT2017 conference and we strongly recommend that participants make all necessary insurance arrangements for themselves.