Payment of Registration Fees
Cards accepted are VISA, Visa Debit and MasterCard, unfortunately we cannot accept American Express or Maestro.
Full payment must be received in full prior to the congress. On receipt of your registration, a confirmation email and receipt will be sent to you by the congress organisers. If you have not received this within 5 working days of registering, please contact

Delegate Cancellation
Notification of cancellation must be submitted by email to Cancellations will not receive a refund after Friday 20th October 2023, but substitutions can be made at any time.
Cancellations for In-person registrations made on or before the cancellation deadline (20th October 2023) will be automatically converted to a Remote Access registration and the difference refunded. Cancellations made after this date will be charged at the full In-person rate, with the benefit of Remote Access to view the content on demand for a period up to 3 months post conference.
Cancellations for Remote Access registrations can be made without charge on or before 20th October 2023, thereafter a $50 administration fee will apply.
No Shows will not be refunded.

Substitutions can be made at any time, however this may not be reflected in the Programme or Book of Abstracts if there is a change to a presenting author of an oral or poster presentation after 20th October 2023

TT2023 shall not be held liable, either directly or indirectly, for any problematic issue that may occur within the framework of the congress and its organisation, not only with respect to the organisers but also with respect to third parties (airline companies, hotels, transportation, taxis, etc.) while in the performance of duties or services even indirectly related to the congress.
This contractual liability exemption clause is equally valid in case of an event of force majeure which leads to the disruption and/or the partial or complete cancellation of the congress programme, for reasons not attributable to TT2023. An event of force majeure is defined as an unforeseen and exceptional event – be it pandemic, climatic, environmental, political or socio-economic – and does not imply any limitation.
Furthermore, the delegate also agrees to absolve TT2023 from any responsibility and liability with regard to travel insurance and related costs or claims. It is solely up to the individual to seek out and purchase or otherwise obtain the necessary insurance with regards to their travel, etc. and/or to independently issue a claim against any third party that may be responsible for direct or indirect losses or damages caused to or suffered by the delegate en route to and from the congress.

Data Protection Act 1998/2003
TT2023 will use your personal data only for purposes connected to this meeting.

Validity of Passports
It is your responsibility to ensure that your passport is valid for travel and we recommend that you check with your local Embassy before travelling. Please note that some countries require your passport to be valid for up to 3 months from the date of return.

Important Message
Please be aware of unofficial websites offering hotel accommodation and registration packages. They are not representing TT2023 and you should only book via this website for registration.

Should you have any questions please feel free to contact us by emailing